The following random sample from a population whose values were normally distributed was collected.10 12 18 16
The 80% confidence interval for $\mu$is
A)12.054 to 15.946
B)10.108 to 17.892
C)10.321 to 17.679
D)11.009 to 16.991

Question

Quizplus · Accepted Answer

The sample mean and standard deviation are calculated, and the t-distribution is used to find the confidence interval for the mean with a sample size of 4 and 80% confidence level.

The Following Random Sample from a Population Whose Values Were μ\muμ

The Following Random Sample from a Population Whose Values Were $\mu$