Given a normal distribution with mean 120 and standard deviation 5, find the number of standard deviations the measurement is from the mean. Express the answer as a positive number.
-134.9
A) 2.98
B) 3.02
C) 3.25
D) 2.18

Question

Quizplus · Accepted Answer

To find the number of standard deviations a measurement is from the mean, use the formula: (measurement - mean) / standard deviation. For 134.9, it is (134.9 - 120) / 5 = 2.98.

Given a Normal Distribution with Mean 120 and Standard Deviation