Which of the following statements is not true?

A. The sampling distribution of a statistic is the probability distribution for that statistic based on all possible random samples from a population.

B. A symmetric, heavy-tailed distribution cannot be detected using a boxplot and QQ chart.

C. The t-statistic distribution is based upon the assumption of a random sample from a normal population.

D. If the sample size is increased and the same test statistic and alpha level are used, the power of the test will increase.