To see if your school's ACT scores are improving since implementing a new program, the ACT
Scores for the past several years should be displayed in a
A) contingency table
B) timeplot
C) histogram
D) bar graph
E) boxplot

Question

Quizplus · Accepted Answer

A timeplot would be the best choice as it would allow for the comparison of ACT scores over time, showing any trends or improvements. A contingency table, histogram, bar graph, or boxplot would not be as effective in displaying changes in ACT scores over time.

To See If Your School's ACT Scores Are Improving Since