Calculate Missing Frequency And Variance

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Question

1. Consider the following frequency distribution. What is the missing value?

Bin Frequency Cumulative %

584 1 4.00%

1774.4 64.00%

2964.8 4 80.00%

4155.2 3 92.00%

5345.6 1 96.00%

More 1 100.00%

A. 3

B. 10

C. 15

D. 16

E. 25

2. In a statistic class, 10 scores were randomly selected with the following results obtained: 75, 74, 77, 77, 71, 70, 65, 78, 67, and 66. What is the variance?

A. 21.40

B. 23.78

C. 4.88

D. 4.63

E. 214.00

Summary

These multiple choice questions belong to Statistics and they discuss about calculating missing frequency and calculating variance.

Total Word Count 54

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