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Section 11.3 Homework Question 6
Section 11.3 Homework
6. 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 students in group 1 had a mean score of with a standard deviation of , while the students in group 2 had a mean score of with a standard deviation of . Complete parts (a) and (b) below.
confidence interval for the difference in scores,
Interpret the interval.
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