In this lesson, we will learn how to draw and interpret comparative pie charts.

Q1:

The given pie charts represent the preferences of a group of students between three subjects in two different schools.

The number of students who prefer mathematics in the second school is greater than that in the first school.

Is this statement true?

The proportion of the students who prefer mathematics is greater in the second school.

Q2:

Consider the two pie charts 𝐴 and 𝐵. If chart 𝐴 represents 1 student and chart 𝐵 represents 121 students, find the ratio of the radius of chart 𝐴 to that of chart 𝐵.

Q3:

For the following chart, an analyst detected that when the population increases by 80, the area of the chart is doubled. Find the number of nonsmokers for the data in the given chart.

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