Question: Find the arithmetic average, variance and standard deviation for X and Y. What would the return be for a portfolio that consists of 30% in

Find the arithmetic average, variance and standard deviation for X and Y. What would the return be for a portfolio that consists of 30% in X and 70% in Y?

Yr Rx Ry

1 5 16

2 -5 7

3 15 -4

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