7. For each of the following samples that were given an experimental treatment, test whether they represent populations that score significantly higher than the general population: (a) a sample of 100 with a mean of 82, (b) a sample of 10 with a mean of 84. The general population of individuals has a mean of 81, a standard deviation of 8, and follows a normal curve. For each sample, carry out a Z test using the five steps of hypothesis testing with a one-tailed test at the .01 significance level, and make a drawing of the distributions involved. (c) ADVANCED TOPIC: Figure the 99% confidence interval for parts (a) and (b).
7. For each of the following samples that were given an experimental treatment, test whether they represent populations that score significantly higher than the general population: (a) a sample of 100 with a mean of 82, (b) a sample of 10 with a mean of 84. The general population of individuals has a mean of 81, a standard deviation of 8, and follows a normal curve. For each sample, carry out a Z test using the five steps of hypothesis testing with a one-tailed test at the .01 significance level, and make a drawing of the distributions involved. (c) ADVANCED TOPIC: Figure the 99% confidence interval for parts (a) and (b).
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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7. For each of the following samples that were given an experimental treatment,
test whether they represent populations that score significantly higher than
the general population: (a) a sample of 100 with a
10 with a mean of 84. The general population of individuals has a mean of 81,
a standard deviation of 8, and follows a normal curve. For each sample, carry
out a Z test using the five steps of hypothesis testing with a one-tailed test at
the .01 significance level, and make a drawing of the distributions involved.
(c) ADVANCED TOPIC: Figure the 99% confidence interval for parts (a)
and (b).
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