Consider the following $6$ months of returns for $2$ stocks and a portfolio of those $2$ stocks: $.$ Note: The portfolio is composed of $50\%$ of Stock A and $50\%$ of Stock B$.$

a$.$ What is the expected return and standard deviation of returns for each of the two stocks?

b$.$ What is the expected return and standard deviation of returns for the portfolio?

c$.$ Is the portfolio more or less risky than the two stocks? Why?

a$.$ What is the expected return and standard deviation of returns for each of the two stocks?

The expected return of Stock A is $\%.($Round to one decimal place.$)$

Data table

$($Click on the following icon $$ in order to copy its contents into a spreadsheet.$)$