It is often not enough to simply describe a set of data. Instead you want to make
inferences about the parameters of the population the sample of data is drawn from. An
inference may be an estimate of a parameter, or a hypothesis test if a parameter is equal to
a specific value.
The location estimator is added to the analysis task pane.
The mean estimate is 26.2 and a 95% confidence interval estimate 23.6 to
(click to enlarge)