Gaming and distracted eating, Part II: A group of researchers investigated the effects of being distracted by a game on how much people eat. The 22 patients in the treatment group who ate their lunch while playing solitaire were asked to do a serial-order recall of the food lunch items they ate. The average number of items recalled by the patients in this group was 4.9, with a standard deviation of 1.8. The average number of items recalled by the patients in the control group (no distraction) was 6.1, with a standard deviation of 1.8. Do these data provide strong evidence that the average number of food items recalled by the patients in the treatment and control groups are different? Use the treatment group as Group A and the control group as Group B. What are the hypotheses for this test? Ho: Hno distraction = Hdistraction Ha: Pno distraction * Hdistraction Ho: Pno distraction = Hdistraction Ha: Pno distraction > Hdistraction Ho: Pno distraction = Hdistraction Ha: Pno distraction < Hdistraction The degrees of freedom associated with this test are: 21 The test statistic for the hypothesis test is (round your answer to 3 decimal places):

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