Which of the following guidelines correctly applies to a bar chart?
A)Bars are used to show parts of a whole.
B)The vertical axis can begin at any chosen value.
C)Increments on the quantitative axis should be equal.
D)Bar widths vary to show different quantities.

Question

Quizplus · Accepted Answer

Increments on the quantitative axis should be equal in a bar chart. This provides a clear and accurate representation of the data being displayed. The other options listed do not apply to a bar chart: 
A) Bars are typically used in a pie chart to show parts of a whole.
B) The vertical axis in a bar chart typically represents a quantity, so it should begin at zero to accurately represent the data. 
D) In a bar chart, bar widths should be consistent to accurately represent the data.

Which of the Following Guidelines Correctly Applies to a Bar