I need help finding the lower and upper bound and (b) What does this say about?priming? I do not understand what this means. Please help! Thank you.

Score: 0 of 3 pts 7 of 9 (6 complete) HW Score: 18.29%, 7.5 of 41 pts 11.3.11 Question Help Two researchers conducted a study in which two groups of students were asked to answer 42 trivia questions from a board game. The students in group 1 were asked to spend 5 minutes thinking about what it would mean to be a professor, while the students in group 2 were asked to think about soccer hooligans. These pretest thoughts are a form of priming. The 200 students in group 1 had a mean score of 25.7 with a standard deviation of 4.5, while the 200 students in group 2 had a mean score of 17.9 with a standard deviation of 3.5. Complete parts (a) and (b) below. (a) Determine the 95% confidence interval for the difference in scores, py - 2. Interpret the interval. The lower bound is The upper bound is (Round to three decimal places as needed.)