Suppose that people's heights (in centimeters) are normally distributed, with a mean of 170 and a standard deviation of 4. What is the variance for this experiment of measuring the height of a person?
A) 8
B) 6
C) 30
D) 16
E) 50

Question

Quizplus · Accepted Answer

Variance is the square of the standard deviation. Therefore Variance = (Standard Deviation)^2 = 4^2 = 16.

Suppose That People's Heights (In Centimeters) Are Normally Distributed, with a Mean