Bar graphs are highly informative, but they can also be deceiving because what seems to be a significant difference in means may actually be a small difference.What part of the graph reveals whether a difference in means is exaggerated?
A) labels on the x-axis
B) range of values on the y-axis
C) labels on the y-axis
D) range of values on the x-axis

Question

Quizplus · Accepted Answer

The range of values on the y-axis determines the scale of the graph, and if the scale is exaggerated, the difference in means may appear larger than it actually is.

Bar Graphs Are Highly Informative, but They Can Also Be