question 38\n1 pts\nthe mean of a set of scores is 24. the standard deviation is 4. what is the z - score…
question 38\n1 pts\nthe mean of a set of scores is 24. the standard deviation is 4. what is the z - score for 18?\n-2.5\n-1.5\n0.5\n2.5
Answer
Answer:
B. -1.5
Explanation:
Step1: Recall z - score formula
$z=\frac{x-\mu}{\sigma}$
Step2: Substitute values
$z=\frac{18 - 24}{4}=\frac{-6}{4}=-1.5$