D Question 9 1 pts Acme Inc is a large company with several hundred employees. Using a random method, the human resources department pulled the ages of 9 employees. Calculate the variance. 21, 47, 47, 35, 25, 18, 32, 42,53 Round your answer to 4 decimal places. A 0.0002 allowance is put in the answer for possible calculator differences, but they should be the same