Carmen is a professor at a local university. In collecting data on her Introduction to Business course for a year, she wants to calculate the z-score for a student who scores a 84 on the final exam. The mean and the standard deviation scores on the exam are 70 and 6, respectively. Calculate the z-score.
A) 1.33
B) 2.33
C) 0.33
D) 2.67

Question

Quizplus · Accepted Answer

The z-score is calculated as (X - μ) / σ = (84 - 70) / 6 = 2.33.

Carmen Is a Professor at a Local University