5
QuizMultiple Choice

Calculating and Interpreting z-Scores

Question 5 • Mathematics for College Liberal Arts Sem 1 (1207350) BCPS 2025-26

A basketball player averages 22.5 points scored per game with a standard deviation of 6.2 points. In one game, the number of points the athlete scored was 1.2 standard deviations below his mean. How many points below average was this value?

Answer
A
6.2
B
7.44
C
12.4
D
15.06

Explanation

A value 1.2 standard deviations below the mean is 1.2 times the standard deviation below average. Calculate 1.2 × 6.2 = 7.44 points. So the score was 7.44 points below average, choice B.

AI-written and checked against the verified answer.

Previous
Next