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The Following Sample Was Taken from a Normally Distributed Population

Question 115

Multiple Choice

The following sample was taken from a normally distributed population: 20,27,15,20,16,22,and 13.A 95% confidence interval for the population mean using this sample is:


A) 19 ± 5.603
B) 19 ± 2.201
C) 19 ± 8.804
D) 19 ± 4.402

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