based on the information write a summary sentence reporting the variable, the interval, the confidence level, and the sample size. Write in plain English, as if you were reporting results in a newspaper. Remember to make it clear that you are estimating a characteristic of the U.S. population. N Minimum Maximum Mean Std. Deviation Highest year of school completed 1461 0 20 13.80 2.940 Valid N (listwise) 1461