Ask Question
3 April, 14:13

In the past, a company found that the mean number of overtime hours for its employees was 10.5 hours per month. However, a recent sample of 40 employees showed that the mean number of overtime hours in a month was 12.3, with s = 4.4 hours. Test the claim, at a significance level of 0.01, that the mean number of overtime hours per month exceeds 10.5 for all employees of this company:

a) Write the null and alternative hypotheses:

b) Find the value of the test statistic (rounded properly):

c) Find the critical value, and sketch the rejection region

d) We will reject / fail to reject H0.

e) Make a statement with your conclusion in the context of the problem

+3
Answers (1)
  1. 3 April, 15:51
    0
    From the answer a, b, c, or d the correct answer to your questions is ...
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “In the past, a company found that the mean number of overtime hours for its employees was 10.5 hours per month. However, a recent sample of ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers