What is the omnibus cut-off score? Question 13 Do you accept the null hypothesis for the a omnibus F test? True: means you accept the null. False: means you reject the null. True False Question 14 For the a priori, What is the Grand Mean between Bluetooth and hand held? No Phone (4, 5, 6, 3, 4) Handheld phone (0, 1, 3, 1, 1) Bluetooth (5, 2, 2, 3, 3) These data represent the results of an experiment comparing performance in a driving simulator under three telephone use conditions. Higher scores signify better driving performance. At the .05 level.. 1. Is there an overall difference among the scores? (carry out an omnibus test below) 2. Conduct a planned comparison, or a priori below, and determine if there is a difference between the "Bluetooth and "Handheld" conditions? 3. Please conduct a post-hoc test with the previous two conditions "Bluetooth and "Handheld" down below. Question 1