How are schools doing? The nonprofit group Public Agenda conducted telephone interviews with three randomly selected groups of parents of high school children. There were 202 black parents, 202 Hispanic parents, and 201 white parents. One question asked was “Are the high schools in your state doing an excellent, good, fair, or poor job, or don’t you know enough to say?” Here are the survey results:14 Black parents Hispanic parents White parents Excellent 12 34 22 Good 69 55 81 Fair 75 61 60 Poor 24 24 24 Don’t know 22 28 14 Total 202 202 201

(a) Calculate the conditional distribution (in proportions)

of responses for each group of parents.

(b) Make an appropriate graph for comparing the conditional distributions in part (a).

(c) Write a few sentences comparing the distributions of responses for the three groups of parents.