?

Free Version

Upgrade subject to access all content

Moderate

Differences Between $t$ and $z$

STATS-NKRGSE

How are $t$-distributions and $z$-distributions different?

A

They have a different mean.

B

The tails of a $t$-distribution, but not a $z$-distribution, go to infinity.

C

The Central Limit Theorem can be applied to the $z$ but not to the $t$.

D

There is a family of $z$-distributions, but only one $t$-distribution.