Scores on a test have a mean of 74 and a standard deviation of 12. Michelle has a score of 50. Convert Michelle's score to a z-score.
A) 24
B) -24
C) 2
D) -2

Name: Scores on a test have a mean of 74 and a standard deviation of 12. Michelle has a score of 50. Convert Michelle's score to a z-score. A) 24 B) -24 C) 2 D) -2
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Quizplus · Accepted Answer

A z-score is calculated by subtracting the mean from the score and then dividing by the standard deviation. For Michelle: (50 - 74) / 12 = -24 / 12 = -2.

Scores on a Test Have a Mean of 74 and a Standard