Which of the following statements correctly describes the symbol ?
A) It refers to the sample standard deviation and is a replacement of the population standard deviation that we do not know.
B) It refers to the sample variance and is a replacement of the population variance that we do not know.
C) It refers to the sample standard error and is a replacement of the population standard error that we do not know.
D) None of the above

Question

Quizplus · Accepted Answer

The symbol typically refers to the sample standard deviation, which is used as an estimate of the population standard deviation when the latter is unknown.

Which of the Following Statements Correctly Describes the Symbol