Question: Do adolescent girls eat fruit? We all know that fruit is good for us. Below is a histogram of the number of servings of fruit per day claimed by 74 seventeen-yearold girls in a study in Pennsylvania.
(a) With a little care, you can find the median and the quartiles from the histogram. What are these numbers? How did you find them?
(b) Estimate the mean of the distribution. Explain your method clearly.