ple of size 12=31 has sample mean = 53 and sample standard deviation 5 = 8.1. t: 0/2 1 of 2 Construct a 95% confidence interval for the population mean . Enter the values for the lower and upper limits and the mean to graph. Round the swers to one decimal place. -5.0 45.0 95% confidence interval 54.5 64.0 64.0 K

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