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Question Help instructor-created question The pass completion percentages of 10 college football quarterbacks for their freshman and sophomore seasons are shown in the table below. At a = 0.05, is there enough evidence to support the claim that the pass completion percentages have changed? Complete parts (a) through (e) below. Player 2 3 5 6 8 9 10 Completion percentage me 68.4 61.3 56.7 61.0 64.2 52.0 58.0 64.2 55.4 57.4 (freshman) Completion percentage 68.1 56.3 62.6 62.3 63.1 59.7 63.6 63.2 57.2 60.3 (sophomore) (a) Identify the claim and state Ho and Ha ests What is the claim? O A. The pass completion percentages have increased. O B. The pass completion percentages have decreased. Incorre O C. The pass completion percentages have changed. O D. The pass completion percentages have not changed. (1/1) Let Ho be the hypothesized mean of the differences in the pass completion percentages (freshman - sophomore). Then d is the sample mean of the differences. What are Ho and Ha ? (0.44/1) OA Ho: Ha Sa OB. Ho: Hd 20 OC. Ho: Ha za 2 (1/1) Hai Hd > d He: Hd 0 D (1/1) (b) Find the critical value(s) and identify the rejection region(s). 4 (1/1) Select the correct choice below and fill in any answer boxes to complete your choice. (Round to two decimal places as needed.) 8 (1/1) O A. O C. (> 6 (0/1) (c) Calculate d and sa