2
QuizMultiple Choice
Discrete Random Variables – Mean
Question 2 of 10 • NC-Math 4
Standardized tests for certain subjects, given to high school students, are scored on a scale of 1 to 5. Let A represent the score on a randomly selected exam for subject A and let B represent the score on a randomly selected exam for subject B. The distributions of scores for each subject’s standardized tests are displayed in the table and the histograms.
Answer
A
The center for the distribution of scores appears to be lower for subject B than for subject A.B
The center for the distribution of subject A is approximately 3, while the center for subject B is approximately 4.C
The center for the distribution of scores appears to be higher for subject B than for subject A.D
The center for the distribution of scores appears to be about the same for both subjects.