question 5. produce a simple random sample of size 44 from full_data. run your analysis on it again. run the cell a few times to see how the histograms and statistics change across different samples.
Answers
Here are the steps to create a simple random sample of size 44 from a dataset and analyze it.
What is the explanation for the above response? Import the necessary libraries and load the full_data into a pandas dataframe.Use the pandas sample() function to randomly select 44 rows from the full_data dataframe.Save the random sample as a new dataframe.Conduct your analysis on the new dataframe.Here's some sample code to help you get started:
import pandas as pd
import numpy as np
import matplotlib.pyplot as plt
# Load full_data into a pandas dataframe
full_data = pd.read_csv('data.csv')
# Create a simple random sample of size 44
sample_data = full_data.sample(n=44, random_state=42)
# Conduct your analysis on the new dataframe
# For example, calculate the mean of a particular column
mean = sample_data['column_name'].mean()
# Plot a histogram of a particular column
plt.hist(sample_data['column_name'], bins=10)
plt.show()
Note that the random_state parameter in the sample() function ensures that the same random sample is generated each time you run the code with the same seed value. If you don't set a seed value, you'll get a different random sample each time you run the code.
Learn more about random sample at:
https://brainly.com/question/29852583
#SPJ1
Related Questions
the most likely creep mechanism at high temperatures and low applied stresses is: the most likely creep mechanism at high temperatures and low applied stresses is:crack propagationgrain boundary diffusiondislocation glide.dislocation motion (climb)bulk diffusion
Answers
The most likely creep mechanism at high temperatures and low applied stresses is "dislocation motion (climb)". Option e is answer.
This mechanism involves the movement of dislocations through the lattice structure of a material, which leads to deformation or strain. When high temperatures and low applied stresses are present, the movement of dislocations through the lattice structure becomes the dominant mechanism for creep.
Other creep mechanisms such as crack propagation, grain boundary diffusion, and bulk diffusion are more likely to occur under different conditions such as low temperatures, high applied stresses, or in materials with specific microstructures. Understanding the dominant creep mechanism is important in designing and selecting materials for high-temperature applications where creep resistance is critical.
Option e is answer.
You can learn more about creep at
https://brainly.com/question/30389236
#SPJ11
A strain gauge is used to measure the strain on a vibrating beam which can vibrate up to a maximum frequency of 60 Hz. The strain gauge analog signal is converted in to a digital signal via an Analog to Digital Converter (ADC) in order to store the data on a computer hard drive. The engineer responsible for this measurement mistakenly selects a sampling frequency of 90 Hz for the ADC. (a) Determine the alias frequency due to the small sampling frequency. (b) Propose a sampling frequency that will not result into aliasing of the analog signal (make sure to provide your rationale for selecting this frequency)
Answers
The aliased frequency that is due to small sampling frequency is 675 Hz.
The proposed sampling frequency is 2f = 120
How to solve for the aliased frequencyThe signal frequency that is given in the question is 60Hz
The sampling frequency is 90Hz
a. Using Nyquist frequency,
fn = 0.5*90Hz = 45Hz
The aliased frequency = |n*fn - fs|
aliased frequency = |n*fn - fs|
We have n >= 1/Fs = 17ms
Then the aliased frequency is = 17 x 45 - 90
= 675 Hz
b) The Nyquist sampling theoremIn order to avoid aliasing the sampling frequency, this has to be at least two times the highest frequency.
Therefore Fs =
2xF = 120Hz
Read more on sampling frequency here: https://brainly.com/question/25740215
Which of the following is not an advantage of plasma arc cutting:
a) can be used to cut ferrous and nonferrous metals,
b) cutting speeds are faster,
c) no explosive gases used
d) or the metal is preheated before making the cut
Answers
The statement which is not an advantage of plasma arc cutting answer is d) the metal is preheated before making the cut.
Since Plasma arc cutting is a process that uses a high-velocity jet of ionized gas (plasma) to cut through metals. This offers several advantages such as:
a) This can be used to cut ferrous and nonferrous metals
b) Cutting speeds are faster compared to traditional cutting methods
c) No explosive gases are used
However, metal preheating is not an advantage of plasma arc cutting. In fact, plasma arc cutting doesn't require preheating of metal.
Thus the plasma arc generates enough heat to melt the metal and create a clean cut.
Therefore, option d) is the correct answer as it is not an advantage of plasma arc cutting.
Learn more about the plasma here;
https://brainly.com/question/30963296
#SPJ4
Sarah and Raj take/takes me to a baseball game every year.
Either the Cubs or the Orioles play/plays the Yankees tonight.
There is/are nine players on a baseball team.
The home team sit/sits in the dugout on the third-base side of the field.
One of the players called the catcher crouch/crouches behind home plate
I learned how to play soccer from my sister.
Last year, I bought myself season tickets to the local team’s matches.
Only the goalie can use their hands to catch the ball.
The players must quickly move the ball down the field.
This year, my sister gave me my favorite player’s jersey for Christmas.
Answers
Answer:
take
play
are
sits
crouches
direct
indirect
direct
direct
indirect
Explanation:
i had just taken the test
Above is a grant diagram involving users A through D and a single privilege P. Suppose A executes REVOKE P FROM C CASCADE Compute the resulting grant diagram. Then, tell which of the following is a consequence of the revocation? a) B no longer has privilege P b) D retains privilege P, but without the grant option c) E has privilege P d) E no longer has privilege P
Answers
The correct option to the consequence of the revocation is:
d) E no longer has privilege P
The revocation command used here is REVOKE and the CASCADE keyword to remove the grant of privilege P from user C and all of its dependent privileges.
Cascading revocation refers to the deletion of dependent objects when the referenced object is deleted. When the CASCADE option is added to the REVOKE statement, the privileges will be withdrawn from the current user and any other users to whom the current user has granted those privileges.
As a consequence of this revocation, User D's grant of privilege P without the option will persist in the grant diagram and User E will no longer have privilege P as it was revoked from User C who had granted it to E.
Therefore, option d) E no longer has privilege P is correct.
To know more about privileges, visit the link : https://brainly.com/question/31919599
#SPJ11
A 2 Explain Dynamic characteristics of SCR
Answers
Answer:
Turn-on and turn-off characteristics of an SCR are called the dynamic characteristics of the SCR.
What is not a duty of a general service technician?
Answers
Order the parts needed is NOT a duty of the General Service Technician.
General service technicians are knowledgeable workers who are in charge of carrying out repair tasks on cars and other light vehicles. Customers must interact with these specialists in order to discuss pricing estimates for undertaking car maintenance services. They are required to undertake any required repairs or part replacements as well as visual vehicle inspections. They must possess the necessary skills to operate equipment that mounts and balances vehicle tyres. General service personnel should be able to install car batteries and inspect the electrical systems of vehicles.
Therefore, order the parts needed is NOT a duty of the General Service Technician.
Learn more about the general service technician here:
https://brainly.com/question/28540275.
#SPJ6
QUESTION 1
Cutting speed does not depend on the diameter of the workpiece.
True
False
Answers
Answer:
False
Explanation:
A modem transmits a +2 voltage signal into a channel. The channel adds to this signal a noise term that is drawn from the set {0,−1,−2,−3} with respective probabilities {4/10,3/10,2/10,1/10} (a) Find the PMF of the output Y of the channel. (b) What is the probability that the output of the channel is equal to the input of the channel? (c) What is the probability that the output of the channel is positive?
Answers
In a channel where a modem transmits a +2 voltage signal, the PMF of the output Y includes probabilities of 4/10 for +2, 3/10 for +1, 2/10 for 0, and 1/10 for -1. The probability of the output being equal to the input is 4/10, and the probability of the output being positive is 7/10.
To solve this problem, we'll use the given probabilities to determine the probability mass function (PMF) of the output Y of the channel.
(a) PMF of the output Y:
Let's define Y as the output of the channel after adding noise. The possible values of Y are determined by adding the noise terms to the input signal.
Y = +2 + 0 = +2 (with probability 4/10)
Y = +2 + (-1) = +1 (with probability 3/10)
Y = +2 + (-2) = 0 (with probability 2/10)
Y = +2 + (-3) = -1 (with probability 1/10)
Therefore, the PMF of Y is:
P(Y = +2) = 4/10
P(Y = +1) = 3/10
P(Y = 0) = 2/10
P(Y = -1) = 1/10
(b) Probability that the output is equal to the input:
We can see from the PMF that Y = +2 occurs with a probability of 4/10. Therefore, the probability that the output of the channel is equal to the input is 4/10.
(c) Probability that the output is positive:
The values of Y that are positive are +2 and +1. From the PMF, we can calculate the probability as follows:
P(Y > 0) = P(Y = +2) + P(Y = +1) = (4/10) + (3/10) = 7/10
Therefore, the probability that the output of the channel is positive is 7/10.
To learn more about probability Click Here: brainly.com/question/31828911
#SPJ11
people are generally terrible at the wason card experiment, even ibm engineers. what type of question makes it easiest to know which cards to turn over?
Answers
The Wason card experiment is difficult for most people, but a clear and specific conditional statement can make it easier to identify the necessary cards.
The Wason card experiment is a test of deductive reasoning that involves four cards with different symbols on each side. Participants are asked to identify which cards need to be turned over in order to test a specific rule. Many people struggle with this task, even highly intelligent individuals such as IBM engineers. However, research has found that participants are more likely to correctly identify the necessary cards when the rule involves a conditional statement, such as "if there is a vowel on one side, there must be an even number on the other side." This type of question provides a clear and specific guideline for what to look for on the cards and how to apply the rule.
To know more about conditional statement visit:
brainly.com/question/14457027
#SPJ11
compare or contrast absolute and secondary instruments
Answers
Answer:
contrast absolute
Explanation:
Answer: The difference between absolute and secondary instruments are tabulated below. The values of the quantity to be calculated in terms of physical constants and their deflection are given by Absolute Instruments. Secondary instruments are tools whose production is calculated to give the quantity's value.
Which property of real numbers is shown below?
3 + ((-5) + 6) = (3 + (-5)) + 6
commutative property of addition
identity property of multiplication
associative property of addition
commutative property of multiplication
Answers
The property of real numbers is shown below is associative property of addition. The correct option is C.
What is associative property of addition?According to the associative property of addition, you can arrange the addends in several ways without changing the result.
According to the commutative property of addition, you can rearrange the addends without altering the result.
When more than two numbers are added together or multiplied, the outcome is always the same, regardless of how the numbers are arranged.
This is known as the associative property. As an illustration, 2 (7 6) = (2 7) 6. 2 + (7 + 6) = (2 + 7) + 6.
Thus, the correct option is C.
For more details regarding associative property, visit:
https://brainly.com/question/30111262
#SPJ1
innovative ideas for civil engineering individual project? I'm running out of time. Need to submit and get approval for this. Please help me and give me a new title to research.
For an egsample- Investigation of replacing Ricehusk instead of Sand in C30, Like wise
Answers
Answer:
Top Final year projects for civil engineering students
• Geographic Information System using Q-GIS. ...
• Structural and Foundation Analysis. ...
• Construction Project Management & Building Information Modeling. ...
• Tall Building Design. ...
• Seismic Design using SAP2000 & ETABS.
Explanation:
Hope it's help
Would like some help with this question please ?
Answers
Answer:
D
Explanation:
Because the Boat D engine looks fast
Explain Why programs when are developed using evolutionary development are likely to be difficult to maintain
Answers
Answer:
When a system is produced using the evolutionary development model, features tend to be added without regard to an overriding design. With each modification, the software becomes increasingly disorganized. System maintenance hampered by these problems, as it is harder identifying the source of bugs in poorly designed systems. Also, keeping the documentation up to date over successive "evolution" is uncommon. Poor documentation also makes maintenance more difficult.
Explanation:
・It leads to implementing and then repairing way of building systems.
・Practically, this methodology may increase the complexity of the system as scope of the system may expand beyond original plans.
・Incomplete application may cause application not to be used as the full system was designed.
・Their results have incomplete or inadequate problem analysis.
Let x(t) = 11 cos(7pit - pi/3). In each of the following parts, the discrete-time signal x[n] is obtained by sampling x(t) at a rate fs samples f_s, and the resultant x[n] can be written as x[n] = A cos(omega_1 n + phi) For each part below, determine the values of A, phi, and omega_1 such that 0 lessthanareequalto omega_1 lessthanareequalto pi. In ddition, state whether or not the signal has been over-sampled or under-sampled. a. Sampling frequency is f_s = 9 samples/s. b. Sampling frequency is f_s, = 6 samples/s. c. Sampling frequency is f_s = 3 samples/s.
Answers
a. A = 11, phi = -pi/3, omega_1 = 2*pi/3 (undersampled)
b. A = 11, phi = -pi/3, omega_1 = 7*pi/3 (oversampled)
c. A = 11, phi = -pi/3, omega_1 = 14*pi/3 (undersampled)
What are the values of A, phi, and omega_1 for the given sampling frequencies?In each part, we are given the continuous-time signal x(t) and asked to determine the values of A, phi, and omega_1 for the corresponding discrete-time signal x[n]. The discrete-time signal is obtained by sampling x(t) at a given sampling frequency, fs. The formula for x[n] is x[n] = A cos(omega_1 n + phi).
In part a, with a sampling frequency of fs = 9 samples/s, we find A = 11 (same as in x(t)), phi = -pi/3 (same as in x(t)), and omega_1 = 2*pi/3. Here, omega_1 lies between 0 and pi, indicating an undersampled signal.
In part b, with fs = 6 samples/s, we again obtain A = 11, phi = -pi/3, but this time omega_1 = 7*pi/3. In this case, omega_1 is greater than pi, suggesting an oversampled signal.
In part c, with fs = 3 samples/s, the values remain the same: A = 11, phi = -pi/3, and omega_1 = 14*pi/3. Similar to part a, omega_1 falls within the range of 0 to pi, indicating an undersampled signal.
Learn more about omega_1
brainly.com/question/12899400
#SPJ11
Technician A says that a circuit with continuity reads 0 ohms. Technician B says that an open circuit reads 0 ohms. Who is correct
Answers
Answer:
A
Explanation:
An open circuit has infinite resistance, not 0. A circuit with continuity usually measures a few ohms or less, depending on the length and gauge of the wire and the condition of the connections. Often, on a general-purpose ohmmeter, the reading is very near 0 ohms.
Technician A is correct.
According to Ref. 213/91, fire extinguishing equipment can be frozen True or False
Answers
False. Fire extinguishing equipment cannot be frozen according to Ref. 213/91.
According to Ref. 213/91, fire extinguishing equipment cannot be frozen. Fire extinguishers are essential safety devices designed to combat fires effectively. They contain pressurized agents that are specifically formulated to extinguish different types of fires. Freezing temperatures can significantly impair the functionality of fire extinguishers and render them ineffective in emergency situations.
When fire extinguishing equipment freezes, several issues can arise. First, the contents of the extinguisher may expand as they freeze, potentially leading to ruptures or leaks in the container. This can cause the extinguisher to malfunction or become hazardous when used. Second, freezing temperatures can affect the performance of the extinguishing agent itself. Certain agents, such as water-based solutions, can solidify or lose their effectiveness when exposed to extreme cold.
It is crucial to store fire extinguishers in suitable environments that are above freezing temperatures. This ensures that the equipment remains in optimal condition and is ready for immediate use during emergencies. Regular inspections and maintenance are also essential to identify any signs of damage or deterioration that may compromise the functionality of fire extinguishers.
Learn more about Fire extinguishing equipment
brainly.com/question/32767668
#SPJ11
In a dispute between Cosmic Games Corporation and Mythic Engineering Associates, Inc., the court applies the doctrine of stare decisis. What is this doctrine? What does this doctrine have to do with the American legal system?
Answers
The doctrine of stare decisis is a legal principle that involves adhering to previous court decisions when deciding similar cases.
It is a fundamental aspect of the American legal system, promoting consistency, stability, and predictability in the interpretation and application of laws.
The doctrine of stare decisis, which means "to stand by things decided," is a concept in the legal system that requires courts to follow and adhere to previous decisions or precedents when deciding cases with similar facts or legal issues. It promotes stability and consistency in the interpretation and application of laws by ensuring that similar cases are treated similarly.
Under this doctrine, once a court has established a legal principle or precedent, it is generally binding on lower courts within the same jurisdiction. This means that judges are obligated to follow the reasoning and outcome of previous cases when faced with similar legal issues. However, stare decisis also allows for the possibility of overruling or departing from precedent in exceptional circumstances or when there is a compelling reason to do so.
In the American legal system, the doctrine of stare decisis plays a crucial role in providing predictability and stability in the law. It ensures that similar cases are treated consistently, and the decisions made by higher courts serve as guiding principles for lower courts. Stare decisis contributes to the development of legal principles, the preservation of legal precedents, and the overall integrity and fairness of the legal system.
Learn more about American legal system here:
https://brainly.com/question/11148868
#SPJ11
your comment is useless
Answers
Answer:
yes it is
Explanation:
but your Question is useless
Answer:
yall chill
Explanation:
What does efficiency measure?
Answers
Answer:
Efficiency is defined as any performance that uses the fewest number of inputs to produce the greatest number of outputs. Simply put, you're efficient if you get more out of less.
Explanation:
Write an Essay describing in your own words, the two-way Communication Cycle naming all the stages and explaining what goes on at each stage. Illustrate any two barriers that may occur at each of the stages. A correctly labelled diagram is essential for your essay.
Answers
n
e
g
r
o
means black in spanish!
a cylindrical tank of length 30m and diameter 1.5kg contains 25kg of air. Determine the specific volume and density of the air in the tank.
Answers
Answer: chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/http://www.velhightech.com/Documents/ME8391%20Engineering%20Thermo%20Dynamics.pdf
click this link for the best explaination
Explanation:
5.5 A scraper with a 275 hp diesel engine will be used to excavate and haul earth for a highway project. An evaluation of the job-site conditions indicates the scraper will operate 40 min./hr. For this project it is anticipated that the total cycle time will be 20 min. for a round trip. Previous job records show the scraper operated at full power for the 1.5 min. required to fill the bowl of the scraper and at 80% of the rated hp for the balance of the cycle time. Calculate the gallons per hour for fuel consumption of the scraper.
Answers
Answer: Fuel consumption per hour of the scrapper is 6 gal/hr
Explanation:
Given that;
Rated power = 275 hP
The scraper will work = 40min per hr
anticipated total cycle time = 20min
Previous Scrapper operated full power for 1.5min at 80% hP
First we find the Engine factor;
filling the bucket = 1.5/20 * 100% = 0.075
rest of cycle = (20-1.5)/20 * 80% = 0.74
so total engine factor = 0.075 + 0.74 = 0.815
now Time factor will be 40/60 = 0.6666 =
therefore operating factor = 0.6666 * 0.815 = 0.543
Now we know that for a diesel engine, a range fuel consumption = 0.04 gal/hP
so
Fuel consumption per hour of the scrapper is;
= 0.543 * 275 * 0.04
= 5.97 = 6 gal/hr
all of the following are ways to avoid breaking a bolt when removing it except:
select one:
a. using penetrating oil with bolts that are rusted or corroded in place.
b. applying maximum force in both directions.
c. first checking whether it is a left-hand bolt.
d. as a last resort, you may heat up the bolt that is rusted or corroded in place.
Answers
All of these are good ideas to remove a bolt, except for applying the maximum force in both directions.
What is a bolt?It is a metallic long bar that is used in multiple objects and machines to fasten two or more elements together.
How to remove a bolt?Bolts are removed using tools such as a 6-point wrench and applying force either to the left or right depending on the bolt. Moreover, rusted bolts need to be carefully removed to avoid breaking them down.
In this way, techniques such as using oil, checking if it is a left-hand bolt, and heating the bolt are valid. However, it is not a good idea just apply maximum force in any direction because this is likely to break the bolt.
Learn more about bolt in: https://brainly.com/question/3163074
Which of the following is not a step in a building’s life cycle?
evaluation
maintenance
demolition
resource extraction
Answers
Answer:
resource extraction
Explanation:
common sense
If your truck has a(n) _____, you must first turn the engine key to the ‘on’ position before engaging it.
Answers
If your truck has a starter button , you must first turn the engine key to the ‘on’ position before engaging it.
What is a Starter Button?An ignition switch, starter switch, or start switch is a switch in a motor vehicle's control system that activates the vehicle's primary electrical systems, including "accessories."
The ignition switch is a critical component of an automobile. It starts and stops the car's engine, as well as the electrical in-car devices. It also powers the starting motor of the automobile. The ignition switch not only turns on and off the engine, but it also powers the lights and radio.
Learn more about Trucks:
https://brainly.com/question/13928690
#SPJ1
Full Question:
If your truck has a(n) _____, you must first turn the engine key to the 'on' position before engaging it. *
10 points
A. starter button
B. engine brake
C. clutch button
D. cruise control
What Machine Process is #1
Answers
Answer:
The first Machine Process is Turning.
Explanation:plz mark brainliest if i am right
Answer:
I believe its turning.
using only t flip-flops and standard gates, design a device which divides a clock by 8 and has a duty cycle of 1/8th.
Answers
To divide a clock by 8 with a duty cycle of 1/8th, use six T flip-flops and standard gates.
Can a clock be divided by 8 with a 1/8th duty cycle using T flip-flops and standard gates?To divide a clock signal by 8 with a duty cycle of 1/8th, we can use a combination of T flip-flops and standard gates. A T flip-flop is a type of sequential logic circuit that toggles its output based on the state of its inputs and a clock signal. By cascading six T flip-flops together, we can achieve a division factor of 2^6, which is equal to 64. However, we only need a division factor of 8, so we need to modify the circuit to achieve the desired output.
To obtain a duty cycle of 1/8th, we need to ensure that the output signal remains high for one-eighth of the period and low for the remaining seven-eighths. This can be achieved by using additional logic gates to manipulate the outputs of the T flip-flops. By carefully designing the circuit using standard gates such as AND, OR, and NOT gates, we can generate the desired output waveform with the desired duty cycle.
Learn more about gates
brainly.com/question/18430820
#SPJ11
.Write a program that uses a void function void miles_to_km() to generate a kilometer
conversion table for all even kilometers from 2 miles to 62 miles. Use two decimal
places for kilometers.
Answers
Explanation:
rational
Step-by-step explanation:
The discriminant (d) of a quadratic equation ax^2 + bx + c = 0ax
2
+bx+c=0 is:
\boxed{\mathrm{d =} \ b^2 - 4ac}
d= b
2
−4ac
.
If:
• d > 0, then there are two real solutions
• d = 0, then there is a repeated real solution
• d < 0, then there is no real solution.
In this question, we are given the quadratic equation 3x^2 + 4x - 2 = 03x
2
+4x−2=0 . Therefore, the discriminant of the equation is:
b² - 4ac = (4)² - 4(3)(-2)
= 16 - (-24)rational
Step-by-step explanation:
The discriminant (d) of a quadratic equation ax^2 + bx + c = 0ax
2
+bx+c=0 is:
\boxed{\mathrm{d =} \ b^2 - 4ac}
d= b
2
−4ac
.
If:
• d > 0, then there are two real solutions
• d = 0, then there is a repeated real solution
• d < 0, then there is no real solution.
In this question, we are given the quadratic equation 3x^2 + 4x - 2 = 03x
2
+4x−2=0 . Therefore, the discriminant of the equation is:
b² - 4ac = (4)² - 4(3)(-2)
= 16 - (-24)
= 40
Since the discriminant, 40, is greater than zero, the quadratic equation has 2 rational solutions.
= 40
Since the discriminant, 40, is greater than zero, the quadratic equation has 2 rational solutions.