The state test scores for 12 randomly selected high school seniors are shown on the right. Complete parts (a) through (c) below. Assume the population is normally distributed. (a) Find the sample mean. x= 910.2 (Round to one decimal place as needed.) (b) Find the sample standard deviation. S= (Round to one decimal place as needed.) ... 1425 693 721 629 1228 722 748 1445 984 840 543 944

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