The owner of a health club franchise believes that the average age of the​ club’s members is under 45 years. To test​ this, a random sample of 30 members was selected.

The owner of a health club franchise believes that the average age of the club’s members is under years. To test this, a random sample of members was selected. The accompanying sample data are the ages of the sampled individuals.

 

State the appropriate null and alternative hypotheses.
b. Use the test statistic approach to test the null hypothesis with .
Answer
State the appropriate null and alternative hypotheses. Choose the correct answer below.