AP Statistics 1.2.B Categorical & Quantitative Variables

Practise classifying study variables as categorical or quantitative, using the recorded values and context to connect proportions with categories and means with measurements.

Exam points

Classify labels or group assignments as categorical and measured or counted values as quantitative.
Use categorical data to target a population proportion and numerical data to target a population mean.

[Maximum number: 1]

A trainer has two weight lifting classes, Class I and Class II. Each class has 9 amateur adult males and 1 professional adult male. Their body weights and number of bench press reps with 225 pounds are shown in the following dotplots. The professionals are designated as A and B.

Figure for Question 1.2.B—Identify types of variables question 1 — AP Statistics

Identify and classify the quantitative variables.

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1.2.B—Identify types of variables question 1