David received a raw score of 56. Given a mean of 50, a median of 50, a standard deviation of 4. What is David's z score?
A) -1.5
B) 0.0
C) 1.5
D) 2.5

Name: David received a raw score of 56. Given a mean of 50, a median of 50, a standard deviation of 4. What is David's z score? A) -1.5 B) 0.0 C) 1.5 D) 2.5
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Question

Quizplus · Accepted Answer

To calculate the z score, we use the formula:

z = (raw score - mean) / standard deviation

Plugging in the values, we get:

z = (56 - 50) / 4 = 1.5

Therefore, David's z score is 1.5.

David Received a Raw Score of 56