The mean salary of federal employees is $73,500. The average salary of 30 state employees is $72,00. With a standard deviation of $3,500. At alpha = 0.10 level of significance can it be concluded that state employees earn less than federal employees? A: State the null and alternative hypotheses. B: What are the critical Z values needed to reject the null hypothesis. C: Calculate the Z statistic for the sample. D: From the results of C), do you reject or fail to reject the null hypothesis? E: Find the "P" value and is it less than alpha? Does it support your answer in part D)?
The mean salary of federal employees is $73,500. The average salary of 30 state employees is $72,00. With a standard deviation of $3,500. At alpha = 0.10 level of significance can it be concluded that state employees earn less than federal employees? A: State the null and alternative hypotheses. B: What are the critical Z values needed to reject the null hypothesis. C: Calculate the Z statistic for the sample. D: From the results of C), do you reject or fail to reject the null hypothesis? E: Find the "P" value and is it less than alpha? Does it support your answer in part D)?
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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The mean salary of federal employees is $73,500. The average salary of 30 state employees is $72,00. With a standard deviation of $3,500. At alpha = 0.10 level of significance can it be concluded that state employees earn less than federal employees?
A: State the null and alternative hypotheses.
B: What are the critical Z values needed to reject the null hypothesis.
C: Calculate the Z statistic for the sample.
D: From the results of C), do you reject or fail to reject the null hypothesis?
E: Find the "P" value and is it less than alpha? Does it support your answer in part D)?
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