Nationally, the average score on the verbal section of college entrance exams is 452, with a standard deviation of 95. A

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Nationally The Average Score On The Verbal Section Of College Entrance Exams Is 452 With A Standard Deviation Of 95 A 1 (91.99 KiB) Viewed 87 times

Nationally, the average score on the verbal section of college entrance exams is 452, with a standard deviation of 95. A random sample of 152 freshmen entering St. Algebra College achieved an average score of 502. National (population) statistics: St. Algebra College (sample) statistics: Mean= 452; SD = 95 Mean = 502; n = 152 Using a critical value of +/- 1.96 (alpha= .05, two-tailed test) and the Z score you obtained in the last question, what would your decision be here? Fail to reject the null hypothesis; there is no significant difference between St. Algebra students' scores and the national average. Accept the null hypothesis; there is no significant difference between the exam score of students from St. Algebra College and the national average. Reject the null hypothesis: there is a significant difference between St. Algebra students' scores and the national average. Accept the alternative hypothesis; there is a significant difference between the exam score of students from St. Algebra College and the national average.