Question: Computing Variance Below is sample of 15 scores 91, 86, 84, 79, 85, 92, 95, 83, 77, 87, 85, 84, 93, 86, 83 Part 1:

Computing Variance

Below is sample of 15 scores

91, 86, 84, 79, 85, 92, 95, 83, 77, 87, 85, 84, 93, 86, 83

Part 1: Compute mean, median, and mode of the scores. Mean = , Median = , Mode =

Part 2: Compute the variance of the scores using the worksheet on the below. Variance =

Computing Variance Below is sample of 15 scores
Computing Variance Worksheet N Score Mean Difference Square Difference 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 mean [ ( x- x) Variance = N - 1

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