Exhibit 3-3
Suppose annual salaries for sales associates from a particular store have a bell-shaped distribution with a mean of $32,500 and a standard deviation of $2,500.
-Refer to Exhibit 3-3. The z-score for a sales associate from this store who earns $37,500 is
A)37.5
B)2
C)-2
D)0.92

Question

Quizplus · Accepted Answer

The z-score is calculated as (X - μ) / σ, where X is the value, μ is the mean, and σ is the standard deviation. For $37,500, the z-score is ($37,500 - $32,500) / $2,500 = 2.

Exhibit 3-3 Suppose Annual Salaries for Sales Associates from a Particular Store