How does the t distribution differ from the standard z distribution?
A) Continuous distribution
B) Bell-shaped
C) Family of distributions
D) Symmetrical

Question

Quizplus · Accepted Answer

The t distribution differs from the standard z distribution in that it is a family of distributions. Each t distribution is defined by its degrees of freedom, which affects its shape, particularly the thickness of its tails. The z distribution, on the other hand, is a single distribution. Choices A, B, and D describe characteristics common to both the t and z distributions.

How Does the T Distribution Differ from the Standard Z