Which statement, if any, is false?
The t distribution and the normal distribution of z are alike in that both
A) are symmetrical
B) have the same standard deviation
C) have the same mean
D) all of the above are true

Question

Which statement, if any, is false? 
The t distribution and the normal distribution of z are alike in that both
A) are symmetrical
B) have the same standard deviation
C) have the same mean
D) all of the above are true

Quizplus · Accepted Answer

The t distribution and the normal distribution both have a mean of zero and are symmetrical, but they do not have the same standard deviation. The t distribution has a larger standard deviation, which decreases as the sample size increases, approaching the normal distribution's standard deviation.

Which Statement, If Any, Is False