Are you smarter than a second-grader? A random sample of 60second-graders in a certain school district are given a standardized mathematics skills test. The sample mean score is  =x55 . Assume the standard deviation of test scores is  =σ9 . The nationwide average score on this test is  53 . The school superintendent wants to know whether the second-graders in her school district have different math skills than the nationwide average. Use the  =α0.10  level of significance and the  P -value method with the table. QUESTION: Find the P-value. Round the answer to at least four decimal places.

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Are you smarter than a second-grader? A random sample of 60second-graders in a certain school district are given a standardized mathematics skills test. The sample mean score is 

=x55

. Assume the standard deviation of test scores is 

=σ9

. The nationwide average score on this test is 

53

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

=α0.10

 level of significance and the 

P

-value method with the table.

QUESTION: Find the P-value. Round the answer to at least four decimal places.

 

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