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AP Statistics 1.4.C Comparing Categorical Displays

Practise comparing categorical relative-frequency graphs across groups, using within-group proportions while avoiding count claims when sample sizes differ.

Syllabus
Effective Fall 2026
Course
AP Statistics

Exam points

  • Compare categories within one group from relative frequencies, but avoid cross-group count claims.

1.4.C—Compare multiple categorical one-variable tabular and graphical representations question 1

[Maximum number: 1]

Three brands of candy pieces-X, Y, and Z-are made in many colors. Shaela bought one bag of each brand and counted the number of pieces of each color. The graph below shows the relative frequency distribution of colors for each bag.

Figure for Question 1.4.C—Compare multiple categorical one-variable tabular and graphical representations question 1 — AP Statistics

■ Red

Which of the following statements must be true?

A

For Brand X, there were more green candy pieces than red candy pieces in the bag.

B

For Brand Y, there were more red candy pieces than green candy pieces in the bag.

C

There were more green candy pieces in the Brand X bag than were in the Brand Z bag.

D

There were the same number of blue candy pieces in the Brand X bag as were in the Brand Y bag.

E

The number of blue candy pieces in the Brand Z bag was equal to the sum of the number of blue candy pieces in the other two bags.

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