The t distribution should be used whenever
A) the sample size is less than 30.
B) the sample standard deviation is used to estimate the population standard deviation.
C) the population is not normally distributed.
D) the population standard deviation is known.

Question

The t distribution should be used whenever​
A) ​the sample size is less than 30.
B) ​the sample standard deviation is used to estimate the population standard deviation.
C) ​the population is not normally distributed.
D) ​the population standard deviation is known.

Quizplus · Accepted Answer

The t distribution is used when the sample standard deviation is used to estimate the population standard deviation, especially when the sample size is small (typically less than 30).

The T Distribution Should Be Used Whenever​

The T Distribution Should Be Used Whenever