10) Below are the weekly returns from the weeks of Nov 10 - Dec 1, 2014 for Starbucks [SBUX]. What is the standard deviation of SBUX's weekly returns over this period? [Remember, this is a sample, so divide by (n-1) where appropriate.] Week 12/1/2014 Weekly Return 2.91% 11/24/2014 1.82% 11/17/2014 2.10% 11/10/2014 0.84% AVERAGE 1.92% a. 0.85% b. 2.85% c. 4.85% d. 6.85% e. 8.85%