SOLUTION: A sample of size n=11 has a sample mean xbar=15.6 and sample standard deviation s=2.4. Construct a 95% confidence interval for the population mean μ.

Algebra ->  Statistics  -> Central-limit-theorem -> SOLUTION: A sample of size n=11 has a sample mean xbar=15.6 and sample standard deviation s=2.4. Construct a 95% confidence interval for the population mean μ.       Log On


   



Question 1178567: A sample of size n=11 has a sample mean xbar=15.6 and sample standard deviation s=2.4. Construct a 95% confidence interval for the population mean μ.

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi
ME =+t%2Asigma%2Fsqrt%28n%29
t(df10) = 2.228
ME =+2.228%2A2.4%2Fsqrt%2811%29 = 1.6
15.6 - 1.6 < mu < 15.6 + 1.6
CI:  ( 14, 17.2)
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