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5. Carry out an appropriate statistical test to determine whether the data is normally distributed.

5. Carry out an appropriate statistical test to determine whether the data is normally distributed.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Hello, I need help answering question 5 please. Thank you very much.

Frequencies Groups 306 300 to 10 306 to 312 16 312 to 318 40 80 324 330 318 to 324 to 79 330 to 336 39 336 to 342 12 342 to 348 8.
Transcribed Image Text:Frequencies Groups 306 300 to 10 306 to 312 16 312 to 318 40 80 324 330 318 to 324 to 79 330 to 336 39 336 to 342 12 342 to 348 8.
The lifetimes (in units of 10 seconds) of certain satellite components are shown in the frequency distribution given in Dataset1'. 1. Draw a frequency polygon, histogram and cumulative frequency polygon for the data. 2. Calculate the frequency mean, the frequency standard deviation, the median and the first and third quartiles for this grouped data. 3. Compare the median and the mean and state what this indicates about the distribution. Comment on how the answer to this ques- tion relates to your frequency polygon and histogram. 4. Explain the logic behind the equations for the mean and standard deviation for grouped data, starting from the original equations for a simple list of data values. Page 2 5. Carry out an appropriate statistical test to determine whether the data is normally distributed.
Transcribed Image Text:The lifetimes (in units of 10 seconds) of certain satellite components are shown in the frequency distribution given in Dataset1'. 1. Draw a frequency polygon, histogram and cumulative frequency polygon for the data. 2. Calculate the frequency mean, the frequency standard deviation, the median and the first and third quartiles for this grouped data. 3. Compare the median and the mean and state what this indicates about the distribution. Comment on how the answer to this ques- tion relates to your frequency polygon and histogram. 4. Explain the logic behind the equations for the mean and standard deviation for grouped data, starting from the original equations for a simple list of data values. Page 2 5. Carry out an appropriate statistical test to determine whether the data is normally distributed.
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