Textbook Question
[DATA] Family Size A random sample of 60 married couples who have been married 7 years was asked the number of children they have. The results of the survey are as follows:
Note: x̄ = 2.27, s = 1.22.
c. Compute a 99% confidence interval for the mean number of children of all couples who have been married 7 years. Interpret this interval.
3
views