Chapter 11.4, Problem 1TY

a.

To determine

To identify: The claim and state $H_0$ and $H_a$.

b.

To determine

To identify: The level of significance.

c.

To determine

To find: The critical value.

d.

To determine

To use: A table to calculate ${\displaystyle \sum d^2}$.

e.

To determine

To find: The test statistic x.

f.

To determine

To decide: Whether to reject the null hypothesis or not.

g.

To determine

To interpret: The decision in the context of the original claim.