Question

describe what is misleading in the visual display of data below.
marijuana use among college students in the last 30
days
never used 29.3%
not in last 30 days 10%
used 1 - 9 days 5.5%
used 10 - 29 days 3.5%
used all 30 days 1.7%
choose the correct answer below.
a. colors on the chart are too light and distort the data.
b. the title does not explain what is being displayed
c. the percentages do not add up to 100%.
d. the chart is too small

Explanation:

A pie chart represents a whole (100%). Calculating the sum of the given percentages: \(29.3\%+10\% + 5.5\%+3.5\%+1.7\%=49.0\%
eq100\%\). A pie - chart's percentages must sum to 100% to accurately represent the data as parts of a whole.

Answer:

C. The percentages do not add up to 100%.