Question: calculate the [a] variance and [b] standard deviation for the weekly observation data. calculate and interpret each of the following. Showing your calculations offer opportunities

calculate the [a] variance and [b] standard deviation for the weekly observation data. calculate and interpret each of the following. Showing your calculations offer opportunities for partial credit if your answer is incorrect. =)

a. Probabilty of observation score being less than 50

b. Probability of observation score being greater than 75

c. Probability of observation score being between 60 and 80.

37
48
55
64
67
67
67
73
76
76
81
83
86
91

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