Are you smarter than a second-grader? A random sample of

62

second-graders in a certain school district are given a standardized mathematics skills test. The sample mean score is

=x54

. Assume the standard deviation of test scores is

=17

. The nationwide average score on this test is

50

. The school superintendent wants to know whether the second-graders in her school district have greater math skills than the nationwide average. Use the

=0.01

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