TABLE 9-9
The president of a university claimed that the entering class this year appeared to be larger than the entering class from previous years but their mean SAT score is lower than previous years.He took a sample of 20 of this year's entering students and found that their mean SAT score is 1,501 with a standard deviation of 53.The university's record indicates that the mean SAT score for entering students from previous years is 1,520.He wants to find out if his claim is supported by the evidence at a 5% level of significance.
-True or False: Referring to Table 9-9,if these data were used to perform a two-tail test,the p-value would be 0.1254.

Question

Quizplus · Accepted Answer

The p-value for a two-tail test with a sample mean of 1,501, a population mean of 1,520, a sample standard deviation of 53, and a sample size of 20 is 0.1254.

TABLE 9-9 The President of a University Claimed That the Entering Class