Homework: Go - Graded Week 4 HW Score: 50.88%, 9.67 of 19 points Homework Pan 1 or 4 0 Points: 0 of 1 Three randomly selected children are surveyed. The ages of the children are 2, 6, and 7. Assume that samples of size n = 2 are randomly selected with replacement from the population of 2, 6, and 7. Listed below are the nine different samples. Complete parts (a) through (d). 2,2 2,6 2,7 6,2 6,6 6,7 7,2 7,6 7,7 Q1 a. Find the value of the population variance (:2. (Round to three decimal places as needed.)