20. How many points lower was the mean score of students who missed 6-8 quizzes than those who missed 3-5 quizzes? Do not round your answer! Course %Std.DeviationNМean0-2 Missed Quizzes2887.895.933-5 Missed Quizzes1784.616.646-8 Missed Quizzes475.4611.259-11 Missed Quizzes1.66.24Total5085.357.80

Answered: Image /qna-images/answer/978c5847-45e7-4073-97a1-c2e1f0576109.jpg

Answered: Course % Std. Deviation N Mean 0-2…

Course % Std. Deviation N Mean 0-2 Missed Quizzes 28 87.89 5.93 3-5 Missed Quizzes 17 84.61 6.64 6-8 Missed Quizzes 4 75.46 11.25 9-11 Missed Quizzes 66.24 Total 50 85.35 7.80

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Question

20. How many points lower was the mean score of students who missed 6-8 quizzes than those who missed 3-5 quizzes? Do not round your answer!

Course %
Std.
Deviation
N
Мean
0-2 Missed Quizzes
28
87.89
5.93
3-5 Missed Quizzes
17
84.61
6.64
6-8 Missed Quizzes
4
75.46
11.25
9-11 Missed Quizzes
1.
66.24
Total
50
85.35
7.80

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