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The two lists of numbers below are the frequencies of handwashing per day over a week...

The two lists of numbers below are the frequencies of handwashing per day over a week by A and B

A: 7, 6, 5, 7, 6, 5, 4

B: 1, 7, 4, 3, 2, 5, 2

a. Who washed hand more frequently on average during the week? Compute 2 measures of central tendency for A and B respectively. Show the calculation steps.

b. Whose frequency of handwashing has a wider dispersion? Compute 1 measure of dispersion (other than the range) for A and B and show the calculation steps.

Math   Statistics-And-Probability   
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