Frequency 0.15 The population distribution for number of years it takes to complete a 4-year degree is shown in the graph. 0.3 0.25 0.2 0. 0. 2 3 4 5 6 7 8 9 10 Years to Graduate Researchers decide to create a sampling distribution of the average time to graduate. For sample size 30 what shape do we expect the sampling distribution of sample means to be? skewed left approximately normal skewed right For sample size 20 what shape do we expect the sampling distribution of sample means to be? approximately normal skewed left skewed right For which sampling distribution does the Central Limit Theorem apply? n = 30 n = 20 Both Neither