Which of these t distributions will most resemble the Z distribution?
A) t distribution (df = 1.96)
B) t distribution (df = 25)
C) t distribution (df = 125)
D) All t distributions have an identical shape.

Question

Quizplus · Accepted Answer

As the degrees of freedom (df) increase, the t distribution approaches the shape of the Z distribution (standard normal distribution). With df = 125, the t distribution closely resembles the Z distribution.

Which of These T Distributions Will Most Resemble the Z