A private high school wants to show that students' test scores are superior to those of another school in the district.The administration creates a bar graph showing a very tall bar representing the private school's mean test score and a very short bar representing the mean score for the other school.What part of the graph would show if the private school is exaggerating the difference between schools?
A) labels on the x-axis
B) range of values on the x-axis
C) labels on the y-axis
D) range of values on the y-axis

Question

Quizplus · Accepted Answer

If the range of values on the y-axis is manipulated, it can make the difference between the two mean scores appear larger or smaller than it actually is. Therefore, if the private school is exaggerating the difference between schools, it is most likely that the range of values on the y-axis is being manipulated to make the tall bar look even taller in comparison to the short bar.

A Private High School Wants to Show That Students' Test