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(d) Is it reasonable to assume that the above data come from a population that follows a normal distribution?

(d) Is it reasonable to assume that the above data come from a population that follows a normal distribution?

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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question 2d please 

Problem #2: Consider the following data (which is also the data that you will be using in Problem #7 below): 7, 4, 9, 11, 8, 7, 6, 11, 8 (a) If you were to construct a normal probability plot by hand for the above data, what are the numerical values (in order) of the first five numbers that would go on the x-axis? Separate your answers with a comma. For example, if your data was the same as the data from Example 1 in Section 6.5 of the textbook, then you would enter the following numbers from Step 1 into the answer box (note that spaces don't matter): 125,229,234,236,257 (b) If you were to construct a normal probability plot by hand for the above data, what are the numerical values (in order) of the first five numbers that would go on the y-axis? Separate your answers with a comma. For example, if your data was the same as the data from Example 1 in Section 6.5 of the textbook, then you would enter the following numbers from Step 3 (note that spaces don't matter): -1.28, -0.52, 0, 0.52, 1.28 (c) Work through this example, and then use R to construct a normal probability plot for the above data. Do not submit the normal probability plot, but instead enter the value of the p-value from the Anderson-Darling test into the answer box below. (d) Is it reasonable to assume that the above data come from a population that follows a normal distribution?
Transcribed Image Text:Problem #2: Consider the following data (which is also the data that you will be using in Problem #7 below): 7, 4, 9, 11, 8, 7, 6, 11, 8 (a) If you were to construct a normal probability plot by hand for the above data, what are the numerical values (in order) of the first five numbers that would go on the x-axis? Separate your answers with a comma. For example, if your data was the same as the data from Example 1 in Section 6.5 of the textbook, then you would enter the following numbers from Step 1 into the answer box (note that spaces don't matter): 125,229,234,236,257 (b) If you were to construct a normal probability plot by hand for the above data, what are the numerical values (in order) of the first five numbers that would go on the y-axis? Separate your answers with a comma. For example, if your data was the same as the data from Example 1 in Section 6.5 of the textbook, then you would enter the following numbers from Step 3 (note that spaces don't matter): -1.28, -0.52, 0, 0.52, 1.28 (c) Work through this example, and then use R to construct a normal probability plot for the above data. Do not submit the normal probability plot, but instead enter the value of the p-value from the Anderson-Darling test into the answer box below. (d) Is it reasonable to assume that the above data come from a population that follows a normal distribution?
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