Which one of the following is not a characteristic of t distribution?
A) t distribution is defined by the degrees of freedom.
B) t distribution is bell-shaped.
C) t distribution is symmetric along zero.
D) t distribution is commonly known as population mean.

Question

Quizplus · Accepted Answer

The t distribution is a statistical distribution used for hypothesis testing and confidence interval estimation, particularly when sample sizes are small and the population standard deviation is unknown. It is not known as the "population mean." The population mean refers to the average value of a population, which is a separate concept from the t distribution.

Which One of the Following Is Not a Characteristic of T