Question

Question 18:

Height and age: Are older men shorter than younger men? According to a national report, the mean height for U.S. men is

69.4

inches. In a sample of

170

men between the ages of

60

and

69

, the mean height was

=x69.3

inches. Public health officials want to determine whether the mean height

μ

for older men is less than the mean height of all adult men. Assume the population standard deviation to be

=σ2.71

. Use the

=α0.05

level of significance and the

P

-value method with the TI-84 calculator.

Part: 0 / 4

0 of 4 Parts Complete

Part 1 of 4

State the appropriate null and alternate hypotheses.

:H0
:H1

This hypothesis test is a ▼(Choose one) test.

Answer 1