# Standard deviation, Variance and Covariance

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Consider three sets of data:

1. data: 1 0 1 3

probability: 0.2 0.3 0.3 0.2

2. data: 0 2 4 1

probability: 0.2 0.3 0.3 0.2

3. data: 4 1 0 0

probability: 0.2 0.3 0.3 0.2

Calculate the standard deviation and variance of each set data, and covariance.

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##### Solution Summary

Standard deviation, variance and covariance are calculated in Excel. Calculations are not explained.

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