Which of the Following Statements Is Not True About the T-

Multiple Choice

Which of the following statements is not true about the t- distribution?

A) Like the normal distribution, the t- distribution is symmetric and unimodal.
B) For small sample sizes, the t- distribution has all the same properties of the normal curve.
C) Since population standard deviation is usually unknown, the standard error uses the sample standard deviation to estimate population standard deviation. The formula is SEest = s/ n.
D) All of these statements about the t- distribution are true.