A company wants to determine whether its consumer product ratings (0 - 10) have changed from last year to this year. The table below shows the company's product ratings from eight consumers for last year and this year. At a = 0.05, is there enough evidence to conclude that the ratings have changed? Assume the samples are random and dependent, and the population is normally distributed. Complete parts (a) through (f). Consumer IN 3 5 6 7 8 Rating (last year) 5 6 5 4 10 7 6 Rating (this year) 4 6 7 6 g 9 10 5 (b) Find the critical value(s) and identify the rejection region(s). to = ] (Use a comma to separate answers as needed. Type an integer or a decimal. Round to three decimal places as needed.) Identify the rejection region. Choose the correct answer below. O A. t> 1.895 O B. t 1.895 O C. t 2.365 OD. 0 Ha: Hd > d Ha: Hd # 0 OD. Ho: Ha # 0 OE. Ho: Hd 20 OF. Ho: Hazd hr Ha: Hd = 0 Ha: Hd