GED Math : Pie Charts

Study concepts, example questions & explanations for GED Math

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Example Questions

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Example Question #21 : Representing Data

The following graph shows the distribution of students at a high school that has a student population of :

4

How many freshmen does this school have?

Possible Answers:

Correct answer:

Explanation:

4

From the chart, we can see that  of the school population is freshmen. Thus, we will need to find  of .

Example Question #22 : Representing Data

The following graph shows the distribution of students in a high school that has a student population of :

4

In degrees, what is the central angle of the sector labeled "Juniors"? Round to the nearest tenths place.

Possible Answers:

Correct answer:

Explanation:

4

The sector labeled "Juniors" takes up  of the circle. Thus, its central angle must be  of , the number of total angles in a circle.

The central angle must be  degrees.

Example Question #23 : Representing Data

The following graph shows the distribution of students in a high school that has a student population of :

4

How many more juniors and seniors are there than freshmen and sophomores?

Possible Answers:

Correct answer:

Explanation:

4

The juniors and seniors make up  of the school's population. Thus, we can find the number of juniors and seniors.

The freshmen and sophomores make up  of the school's population. Thus, we can find the number of freshmen and sophomores.

Subtract these two numbers to find how many more juniors and seniors there are than freshmen and sophomores.

There are  more juniors and seniors than there are freshmen and sophomores.

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