The digital product director of a mobile app company claimed…
The digital product director of a mobile app company claimed that three different app layouts (Layout A, Layout B, and Layout C) result in the same average user session length. A data analyst hoped to do a test to show that at least one of the average session lengths is different. Based on user session data collected for all three layouts, the analyst performed a one-way ANOVA at a 99% confidence level. The resulting ANOVA table is shown below: Source SS df MS F F crit Between Groups 52.8 2 26.4 4.15 3.23 Within Groups 315.6 48 6.58 Total 368.4 50 Based on a 95% confidence level, the test statistic is _______ , the critical value is _______ . We (fill in “do” or “do not”) _______ have enough evidence to reject the null hypothesis.