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Mathematics, 24.07.2019 14:30 rowellr3
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. 1425 1227 989 697 729 839 729 742 550 626 1449 941 (a) find the sample mean. x overbarequals nothing (round to one decimal place as needed.) (b) find the sample standard deviation. sequals nothing (round to one decimal place as needed.) (c) construct a 95% confidence interval for the population mean mu. a 95% confidence interval for the population mean is ( nothing, nothing). (round to one decimal place as needed.)
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The state test scores for 12 randomly selected high school seniors are shown on the right. complete...
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