A sample has individuals with scores of 1,3,5,6, and 6. What is the estimated population variance? a)3.6 b)4.7 c)5.8 d)6.9 PLEASE show work on how you arrived at the answer so I can understand how to find the asnwer on my own...thanks in advance! Solution average = 1 +3 +5 +6 +6/5 = 21/5 = 4.2 variance = 4.2 -1 + 4.2 -3 +5 -4.2 +6 -4.2 +6-4.2 /5 = 3.2^2 +1.2^2 + 0.8^2 +1.8^2 +1.8^2/5 Variance = 18.8/5 = 3.6.