SOLUTION: A union of restaurant and foodservice workers would like to estimate this year's mean hourly wage, , of foodservice workers in the U.S. Last year's mean hourly wage was , and there
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Question 446029: A union of restaurant and foodservice workers would like to estimate this year's mean hourly wage, , of foodservice workers in the U.S. Last year's mean hourly wage was , and there is reason to believe that this year's value is less than last year's.
The union decides to do a statistical test to see if the value has indeed decreased. The union chooses a random sample of this year's wages, computes the mean of the sample to be , and computes the standard deviation of the sample to be .
Questions:
1. what are the null hypothesis and the alternative hypothesis that should be used for the test?
2. In the context of this test, what is a TYPE II error?
3. Suppose that the union decides to reject the null hypothesis. What sort of error might it be making?
Thank you.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
duplicate post.
Three numbers are missing.
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