- Access to
**2 Million+**Textbook solutions - Ask any question from
**24/7**available

Tutors

The mean age of Senators in the 109th Congress was 60.35 years. A random sample of 40 senators from various state senates had an average age of 55.4 years, and the population standard deviation is 6.5 years. At α = 0.05, is there sufficient evidence that state senators are on average younger than the Senators in Washington?

Perform each of the following steps.

a. State the hypotheses and identify the claim.

b. Find the critical value(s).

c. Compute the test value.

d. Make the decision.

e. Summarize the results.

Use diagrams to show the critical region (or regions), and use the traditional method of hypothesis testing unless otherwise specified.

Members

- Access to
**2 Million+**Textbook solutions - Ask any question from
**24/7**available

Tutors

OR

Non-Members

Get help from** Statistics **Tutors

Ask questions directly from** Qualified Online Statistics Tutors **.

Best for online homework assistance.