A company is producing and marketing new reading activities for elementary school children that it believes will improve reading comprehension scores. A researcher randomly assigns third graders to an? eight-week program in which some will use these activities and others will experience traditional teaching methods. At the end of the? experiment, both groups take a reading comprehension exam. Do the results attached below suggest that the new activities are? better? Test an appropriate hypothesis and state your conclusion.? (Assume a significance level of 0.05?.)