Please answer the following questions using the table.

1. Given the historical stock return of the most recent 3 years, answer the following questions.

	2018	2019	2020
Return	10%	5%	7%

1. What is the expected return of this stock? (Hint: Expected return is the average of historical return.)

2. What is the variance of the historical returns.

What is the measure of risk of the historical returns (Standard Deviation) ?