Retention Test Scores A sample of non-English majors at a selected college was used in a study to see if the student retained more from reading a 19th-century novel or by watching it in DVD form. Each student was assigned one novel to read and a different one to watch, and then they were given a 100-point written quiz on each novel. Assume the variables are normally distributed. The test results are shown below. Book DVD   90 75   90 85   80 70   80 72   90 80   75 80   84 80   90 85   80 72   At=α0.05, can it be concluded that the book scores are higher than the DVD scores?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 5E
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Retention Test Scores A sample of non-English majors at a selected college was used in a study to see if the student retained more from reading a 19th-century novel or by watching it in DVD form. Each student was assigned one novel to read and a different one to watch, and then they were given a 100-point written quiz on each novel. Assume the variables are normally distributed. The test results are shown below.

Book DVD  
90 75  
90 85  
80 70  
80 72  
90 80  
75 80  
84 80  
90 85  
80 72  

At=α0.05, can it be concluded that the book scores are higher than the DVD scores?

 

*Please show the critical values, they ask that for part of this question* 

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