1.If the median of the data 6, 7, x−2x-2x−2, xxx, 18 and 21 written in ascending order is 16, then the variance of that data isa.301530\frac{1}{5}3051b.311331\frac{1}{3}3131c.32d.33Login to continueOnly logged in users canattempt or see the solution.
