# Question

Shown here is a frequency distribution for the rise in tides at 30 selected locations in the United States.

Rise in tides (inches) Frequency

12.5β27.5 ..........6

27.5β42.5 ..........3

42.5β57.5 ..........5

57.5β72.5 ..........8

72.5β87.5 ..........6

87.5β102.5 ...........2

a. Mean

b. Modal class

c. Variance

d. Standard deviation

Rise in tides (inches) Frequency

12.5β27.5 ..........6

27.5β42.5 ..........3

42.5β57.5 ..........5

57.5β72.5 ..........8

72.5β87.5 ..........6

87.5β102.5 ...........2

a. Mean

b. Modal class

c. Variance

d. Standard deviation

## Answer to relevant Questions

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