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A sample of 130 system analystswas taken regarding their hourly wages. The descriptive statistics are given below. mean = 60median = 74mode = 16range =

A sample of 130 system analystswas taken regarding their hourly wages. The descriptive statistics are given below.

mean = 60median = 74mode = 16range = 120std deviation = 8

The variance equals ...

a. 8

b. 16

c. 4

d. 64

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