Question: The state test scores for 12 randomly selected high school seniors are shown on the right. Complete 1430 1229 987 parts (a) through (c) below.

The state test scores for 12 randomly selected high school seniors are shown on the right. Complete 1430 1229 987 parts (a) through (c) below. 700 728 832 Assume the population is normally distributed. 720 746 547 626 1448 942 (a) Find the sample mean x= 911.3 (Round to one decimal place as needed.) (b) Find the sample standard deviation. S (Round to one decimal place as needed.)
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