Mathematics, 28.02.2020 01:35 yannie16

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A simple random sample of 8 women basketball player's weights has a standard deviation of 7.5 lb. Find the test statistic, using a 0.05 significance level, to test a claim that the standard deviation of all weights of women basketball players is less than 9 lb.
a. 5.833
b. 10.080
c. 5.556
d. 4.861

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