1. 14.

Calculating Returns and Variability [LO 12.1] You find a certain share that had returns of 9 per cent, −16 per cent, 18 per cent and 14 per cent for four of the last five years. If the average return of the share over this period was 10.3 per cent, what was the share’s return for the missing year? What is the standard deviation of the share’s return?