10
QuizMultiple Choice

Inferences and Predictions

Question 10 • Pre-Algebra B

During her lunch hour, Shawna asked 40 students how many after-school clubs they joined. The list below shows the number of clubs that the students joined.2, 2, 3, 0, 3, 2, 4, 2, 1, 4, 3, 2, 4, 1, 0, 2, 1, 3, 2, 0, 1, 1, 2, 1, 0, 3, 0, 1, 4, 1, 1, 0, 2, 3, 2, 0, 3, 2, 0, 1If this sample is representative of the student population of 360 students, about how many students in the school joined three clubs?

Answer
A
15 students
B
63 students
C
109 students
D
189 students

Explanation

There are 7 students in the sample of 40 who joined three clubs. Since 360 ÷ 40 = 9, the school has 9 times as many students as the sample. Estimate 7 × 9 = 63 students, so the answer is 63 students.

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