Using the given degree of confidence and sample data to construct a confidence interval for the population mean u. Assume that the population has a normal distribution.

n=10

xbar=8.7

s=3.3

95% confidence

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- Jun 20th 2009, 03:08 PMtennisairconstructing a confidence interval please help
Using the given degree of confidence and sample data to construct a confidence interval for the population mean u. Assume that the population has a normal distribution.

n=10

xbar=8.7

s=3.3

95% confidence - Jun 20th 2009, 03:40 PMRandom Variable
We the fact that follows a t-distribution with n-1 degrees of freedom.