Question: 39 - Astatisticsinstructor is interested in determining whether or not a review session improvedstudent performance on the final exam. The review session was administered to

39 - Astatisticsinstructor is interested in determining whether or not a review session improvedstudent performance on the final exam. The review session was administered to a sample of students (n=32) in an attempt to determine if this has a positive effect on exam performance. Based on information gathered in previous semesters, the population mean for the final exam is 75.2. The sample mean obtained from the 32 students is 80 with a sample standard deviation of 12.

Use a 0.01 significance level to test the instructor's claim that the review session improved student performance on the final exam.

Round all answers to 3 decimal places.

Test Statistic =

p-value =

Reject the null hypothesis (yes/no)

Is there sufficient evidence to support the instructors claim that the review session improved student performance on the final exam (yes/no)?

Please use calculator functions to explain.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!