Mathematics, 21.07.2019 23:00 powellkhalil58
Question 21 [t-interval] a random sample of size 18 is drawn from a population that is normally distributed. the sample mean is 58.5, and the sample standard deviation is found to be 11.5. determine a 95% confidence interval about population mean. a. [52.78,64.22] b. [53.78,63.22] c. [53.18,63.81] d. [54.04,62.96]
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Question 21 [t-interval] a random sample of size 18 is drawn from a population that is normally dist...
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