The following data set is a sample of the ages of students in an art school.
13 12 15 18 14 1618 12 13 14 14 17 15 8 17 16 12 16 14 15 13 17 15 14 18 16 12 12 13
Find the mean and standard deviation. Then find the margin of error with a 95% confidence level by using the formula M E=1.96 s/√n . Round to the nearest hundredth. Explain what this information tells you about the ages of students in the entire art school.