Hypothesis Testing on Multiple Populations
3.The controller wants to use a new tutorial to admonish average develop students environing basic algebraic techniques. As an test he randomly selected 18 students and randomly assigned them to one of three groups which embrace either a PowerPoint donation created by the classroom admonishers, WebEx Donation created by an without contractor, or a polite public tutorial by advice guild. After completing their assigned tutorial, the students are given a basic algebraic methods rally. At the .01 meaning flatten, can she decide that there is a dissimilarity between how polite the contrariant tutorials operation for the average develop students?