As the number of degrees of freedom for a t-distribution increases:
A)the dispersion of the distribution decreases.
B)the shape of the distribution becomes narrower and taller.
C)the t-distribution becomes more and more similar to the standard normal distribution.
D)All of these choices are correct.

Question

Quizplus · Accepted Answer

As the number of degrees of freedom increases for a t-distribution, the dispersion decreases, the shape becomes narrower and taller, and it approaches the shape of the standard normal distribution.

As the Number of Degrees of Freedom for a T-Distribution