The following data show the number of class sessions missed during a semester of SOC221 and the final grade for a sample of 8 students selected at random.                       Number of Sessions Missed                                                   Final Grade                                          (x)                                                                               (y)                                           0                                                                                 96                                           2                                                                                 88                                          12                                                                                68                                           6                                                                                 91                                           8                                                                                 72                                           9                                                                                 73                                           4                                                                                 93                                          10                                                                                70 Test the null hypothesis that, in the population, the correlation between sessions missed and final grade is equal to zero.  Use α = .05.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 11PPS
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  1. The following data show the number of class sessions missed during a semester of SOC221 and the final grade for a sample of 8 students selected at random.

                      Number of Sessions Missed                                                   Final Grade

                                         (x)                                                                               (y)

                                          0                                                                                 96

                                          2                                                                                 88

                                         12                                                                                68

                                          6                                                                                 91

                                          8                                                                                 72

                                          9                                                                                 73

                                          4                                                                                 93

                                         10                                                                                70

Test the null hypothesis that, in the population, the correlation between sessions missed and final grade is equal to zero.  Use α = .05. 

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