Question

in a bar chart, what do the bars represent?
a. continuous data
b. percentages of a whole
c. time periods
d. different categories or groups

Explanation:

Bar charts use bars to represent different categories or groups. Continuous data is typically shown in histograms. Pie charts show percentages of a whole. Time - series data is often in line charts. Bar charts' main purpose is to compare different categories or groups.

Answer:

d. Different categories or groups