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Mr Stat makes a claim the mean age of all his students is 28. His doubting colleagues suspect this average may be too high so they select a sample of 81 students. They find the mean age of the sample is 25.58 with a standard deviation of 7.84. Test the claim at the 0.05 significance level. Part A- Ho: H = Part B- Ha: H Part C- State alpha (Answer f should be the inequality Part D - Reject null if symbol, and Answer g should be the value.) Part E- The test statistic is Part F- Write the decision Either Reject the null or Accept the null Part G- At a = ,there is evidence to

Mr Stat makes a claim the mean age of all his students is 28. His doubting colleagues suspect this average may be too high so they select a sample of 81 students. They find the mean age of the sample is 25.58 with a standard deviation of 7.84. Test the claim at the 0.05 significance level. Part A- Ho: H = Part B- Ha: H Part C- State alpha (Answer f should be the inequality Part D - Reject null if symbol, and Answer g should be the value.) Part E- The test statistic is Part F- Write the decision Either Reject the null or Accept the null Part G- At a = ,there is evidence to

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 11** Mr. Stat makes a claim the mean age of all his students is 28. His doubting colleagues suspect this average may be too high, so they select a sample of 81 students. They find the mean age of the sample is 25.58 with a standard deviation of 7.84. Test the claim at the 0.05 significance level. **Part A - H₀: μ = ____________** **Part B - Hₐ: μ ____________** **Part C - State alpha** **Part D - Reject null if __________ (Answer g should be the value.)** **Part E - The test statistic is __________** **Part F - Write the decision** Either **Reject the null** or **Accept the null** **Part G - At α = __________ , there is evidence to __________.**
Transcribed Image Text:**Question 11** Mr. Stat makes a claim the mean age of all his students is 28. His doubting colleagues suspect this average may be too high, so they select a sample of 81 students. They find the mean age of the sample is 25.58 with a standard deviation of 7.84. Test the claim at the 0.05 significance level. **Part A - H₀: μ = ____________** **Part B - Hₐ: μ ____________** **Part C - State alpha** **Part D - Reject null if __________ (Answer g should be the value.)** **Part E - The test statistic is __________** **Part F - Write the decision** Either **Reject the null** or **Accept the null** **Part G - At α = __________ , there is evidence to __________.**
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