A standard normal distribution has a mean of _____ and a standard deviation of _____.
A) 0; 1
B) 1; 0
C) 1; 1.5
D) 0; .5

Question

Quizplus · Accepted Answer

A standard normal distribution always has a mean of 0 and a standard deviation of 1. This means that the distribution is centered at 0 and has a spread of 1 standard deviation in each direction. Choice B is incorrect because a standard deviation of 0 is not possible, as it would indicate that there is no variation in the data. Choice C is incorrect because a standard deviation of 1.5 is not standard for the normal distribution. Choice D is incorrect because a standard deviation of 0.5 is not standard for the normal distribution.

A Standard Normal Distribution Has a Mean of _____ and a Standard