# Question: The following relative frequency distribution was constructed from a population

The following relative frequency distribution was constructed from a population of 200. Calculate the population mean, the population variance, and the population standard deviation.

Class .... Relative Frequency

220 up to 210 ... 0.35

210 up to 0 ..... 0.25

0 up to 10 ..... 0.40

10 up to 20 ..... 0.05

Class .... Relative Frequency

220 up to 210 ... 0.35

210 up to 0 ..... 0.25

0 up to 10 ..... 0.40

10 up to 20 ..... 0.05

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