The shape of the Student t-distribution depends on:
A) the population variance
B) the number of its degrees of freedom
C) the population mean
D) the number of its degrees of freedom and the population mean
E) all of these

Question

Quizplus · Accepted Answer

The shape of the Student t-distribution depends on the number of its degrees of freedom, which determines the "heaviness" of its tails. The t-distribution approaches the normal distribution as the number of degrees of freedom increases. The population variance and mean do not affect the shape of the t-distribution.

The Shape of the Student T-Distribution Depends On