30
practice examMultiple Choice

Practice Exam

Question 30 • Concepts in Probability and Statistics

The dot plot shows how Mr. Ruda’s class scored on a 5-point math quiz. Mr. Ruda described the data as having a spread from 0 to 5, a center of 3, two clusters, and a peak at 5. Where did Mr. Ruda make an error?

Answer
A
The center is at 2.
B
There is only one cluster.
C
The peak is at 8.
D
The spread is from 0 to 8.