A report based on the Current Population Survey.....

Question

A report based on the Current Population Survey estimates the 1991 median weekly family wage and salary earnings as $664. An approximate 95% confidence interval for the 1991 median weekly earnings of all families of wage and salary workers is $658 to $671.

 

a) Write one sentence interpreting this interval. Note: Even though we have not discussed how to get CI for medians in class, you should be able to interpret any confidence interval.

Answer 1

You can be 95% confident that the true population median is in the range 658-671.

 

Jennifer, have you done confidence intervals yet in your class at all.