Because the t- and z-distributions use different distributions, there respective equations for testing hypotheses are different.

Question

Quizplus · Accepted Answer

Both t- and z-distributions can be used for hypothesis testing, and the structure of their hypothesis testing equations is fundamentally the same, differing primarily in the use of t or z statistics depending on sample size and variance knowledge.

Because the T- and Z-Distributions Use Different Distributions, There Respective