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 26.6 with a standard deviation of 4, while the 200 students in group 2 had a mean score of 16.2 with a standard deviation of 2.9. Complete parts (a) and (b) below. ... (a) Determine the 95% confidence interval for the difference in scores, u, -H2. Interpret the interval. The lower bound is The upper bound is (Round to three decimal places as needed.)
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 26.6 with a standard deviation of 4, while the 200 students in group 2 had a mean score of 16.2 with a standard deviation of 2.9. Complete parts (a) and (b) below. ... (a) Determine the 95% confidence interval for the difference in scores, u, -H2. Interpret the interval. The lower bound is The upper bound is (Round to three decimal places as needed.)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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