Hans scored 16 points above the mean with a z-score of +2.00. What was the standard deviation for the distribution?
A) 8
B) 14
C) 18
D) 32

Name: Hans scored 16 points above the mean with a z-score of +2.00. What was the standard deviation for the distribution? A) 8 B) 14 C) 18 D) 32
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Question

Quizplus · Accepted Answer

The z-score formula is Z = (X - μ) / σ, where Z is the z-score, X is the value, μ is the mean, and σ is the standard deviation. Given Z = +2.00 and X - μ = 16, solving for σ gives σ = (X - μ) / Z = 16 / 2 = 8.

Hans Scored 16 Points Above the Mean with a Z-Score