Standard deviation, Variance and Covariance
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.