Question: Consider the sample data in the following frequency distribution. a. Compute the sample mean. b. Compute the sample variance and sample standard deviation. Mldpolnt Class

Consider the sample data in the following frequency distribution.
a. Compute the sample mean.
b. Compute the sample variance and sample standard deviation.

Mldpolnt Class 3-7 8-12 13-17 18-22 Frequency 10 15 20

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