A company claims that the mean monthly salary for their managers is 8 thousand dollars. A sample of 100 managers has a mean monthly salary of 7.5 thousand dollars with a standard deviation of 1.9 thousand dollars. You want to perform a hypothesis test challenge the validity of the claim made by the company, at a significance level of α=0.10α=0.10. Your hypotheses are: Ho:μ=8,000Ho:μ=8,000 Ha:μ<8,000Ha:μ<8,000 (a) Find the test statistic, rounded to 4 decimal places. Test Statistic = (b) FInd the p-value, rounded to 4 decimal places.
A company claims that the mean monthly salary for their managers is 8 thousand dollars. A sample of 100 managers has a mean monthly salary of 7.5 thousand dollars with a standard deviation of 1.9 thousand dollars. You want to perform a hypothesis test challenge the validity of the claim made by the company, at a significance level of α=0.10α=0.10. Your hypotheses are: Ho:μ=8,000Ho:μ=8,000 Ha:μ<8,000Ha:μ<8,000 (a) Find the test statistic, rounded to 4 decimal places. Test Statistic = (b) FInd the p-value, rounded to 4 decimal places.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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A company claims that the mean monthly salary for their managers is 8 thousand dollars.
A sample of 100 managers has a mean monthly salary of 7.5 thousand dollars with a standard deviation of 1.9 thousand dollars. You want to perform a hypothesis test challenge the validity of the claim made by the company, at a significance level of α=0.10α=0.10.
Your hypotheses are:
Ho:μ=8,000Ho:μ=8,000
Ha:μ<8,000Ha:μ<8,000
(a) Find the test statistic, rounded to 4 decimal places.
Test Statistic =
(b) FInd the p-value, rounded to 4 decimal places.
p-value =
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