Math 240

> MAT 240: Applied Statistics home > thesis tests for the difference between two population means zyBooks cata Jump to level 1 IQ test creators would like to know if scores between two tests are significantly different. To explore, a simple random sample of test-takers is given Test A and then Test B. A summary of the data obtained from the study is given below. Assume the standard deviation for the two groups is the same. Test A Test B What are the population parameters? Mean 97.2 100.2 Observations 50 50 Pearson Correlation -0.008 Pick Hypothesized Mean Difference df 49 Is the two-sample hypothesis test a paired t-test or an unpaired t-test? t Stat 2.060 P(T