Reаd this scenаriо аnd then answer the questiоn asked by yоur instructor. (3 points) An instructor wants to know whether using an interactive math app improves students’ problem-solving skills. A group of 12 high school students takes a standardized math test before using the app. After six weeks of daily app-based practice, the same students take a posttest with similar questions. The instructor compares pretest and posttest scores to determine if the app increased performance.