Which of the following conditions is required to use the t distribution to make a confidence interval for the population mean?
A)The population from which the sample is drawn is (approximately)normally distributed.
B)The sample size is at least 30.
C)The population from which the sample is drawn has a t distribution.
D)The population standard deviation is known.

Question

Quizplus · Accepted Answer

The t distribution is used when the population standard deviation is unknown and the sample size is small, typically less than 30. However, the population should be approximately normally distributed for the t distribution to be appropriate.

Which of the Following Conditions Is Required to Use the T