(Solution Document) At a local university, a sample of 16 evening students was selected in order to determine whether the average age of the evening students is...


1. At a local university, a sample of 16 evening students was selected in order to determine whether the average age of the evening students is significantly different from 21. The average age of the students in the sample was 19 with a standard deviation of 3.5 


a. state the null & alternative hypotheses for this test

b. find the test statistic 

c. develop your critical region for the test at a 5% significance level 

d. what is your conclusion at the 5% significance level

 e. find the P-value for this test, and what is your conclusion 

 







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