A maker of dietary supplements would like to claim that a new supplement increases performance on an IQ test. IQ tests are administered to a simple random sample of people taking the supplement as a treatment and a control group. The results of the study are below. Control Treatment What are the population parameters? Mean 104.357 107.231 Variance 206.247 77.026 Observations 14 13 Pick Hypothesized Mean Difference 0 22 Is the two-sample hypothesis test a paired t-test or an unpaired t-test? t Stat 0.632 P(T