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 thoughts are a form of priming. The 200 students in group 1 had a mean score of 23.8 with a standard deviation of 4.1, while the 200 students in group 2 had a mean score of 17.1 with a standard deviation of 3.2. Complete parts (a) and (b) below. were asked to think about soccer hooligans. These pretest (a) Determine the 95% confidence interval for the difference in scores, µ1 -42. 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 thoughts are a form of priming. The 200 students in group 1 had a mean score of 23.8 with a standard deviation of 4.1, while the 200 students in group 2 had a mean score of 17.1 with a standard deviation of 3.2. Complete parts (a) and (b) below. were asked to think about soccer hooligans. These pretest (a) Determine the 95% confidence interval for the difference in scores, µ1 -42. 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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![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
score of 17.1 with a standard deviation of 3.2. Complete parts (a) and (b) below.
mean score of 23.8 with a standard deviation of 4.1, while the 200 students in group 2 had a mean
(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.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F29da44ea-c55d-40c9-92e5-e98883ecc441%2F19c0782c-cb1c-41f6-9292-ef35af0fb003%2Froeg9_processed.png&w=3840&q=75)
Transcribed Image Text: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
score of 17.1 with a standard deviation of 3.2. Complete parts (a) and (b) below.
mean score of 23.8 with a standard deviation of 4.1, while the 200 students in group 2 had a mean
(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.)
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