Find the Mean, Variance, and Standard Deviation (round off to two decimal places)

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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Find the Mean, Variance, and Standard Deviation (round off to two decimal places)
Let us consider the scores of students in Statistics and Probability during the final exam
There are 50 students in the class who took the exam. Their scores are given below.
78
89
80
95
86
95
80
75
95
83
91
80
75
91
90
78
79
79
88
91
91
88
84
84
79
83
95
90
79
97
80
95
90
94
89
99
93
76
97
90
93
88
85
99
90
91
87
87
85
77
Transcribed Image Text:Let us consider the scores of students in Statistics and Probability during the final exam There are 50 students in the class who took the exam. Their scores are given below. 78 89 80 95 86 95 80 75 95 83 91 80 75 91 90 78 79 79 88 91 91 88 84 84 79 83 95 90 79 97 80 95 90 94 89 99 93 76 97 90 93 88 85 99 90 91 87 87 85 77
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