On Blackboard under "Course Content / Homeworks and Practice Tests" there is an Excel file titled "HW 6 Data" with monthly stock return data to be used for this question: What is Starbuck's [SBUX] beta? Round to two decimal places. [Hint: Take S&P 500 as a proxy for the market, and use the beta formula from the book. You will need to use two Excel functions: STDEV.S and CORREL]