Question

2 points

A random sample of size 10 was drawn from a normal population with an unknown mean and a variance of 44.1. If the observations are: 65, 71, 80, 76, 78, 82, 68, 72, 65, and 81. Obtain the 95% confidence interval for population mean.  [Note: critical value for 95% confidence interval is 1.96]


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Answer 1

Answer:

I am unable to solve the problem

Answer 2

Answer:

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