conducted a study in which two groups of students were aske n group i were to speno nking about prolesso 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 26.5 with a standard deviation of 4.9, while the 200 students in group 2 had a mean score of 16.2 with a standard deviation of 3.2. Complete parts (a) and (b) below. (a) Determine the 90% confidence interval for the difference in scores, p, -42. Interpret the interval. The lower bound is The upper bound is (Round to three decimal nlaces as needed
conducted a study in which two groups of students were aske n group i were to speno nking about prolesso 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 26.5 with a standard deviation of 4.9, while the 200 students in group 2 had a mean score of 16.2 with a standard deviation of 3.2. Complete parts (a) and (b) below. (a) Determine the 90% confidence interval for the difference in scores, p, -42. Interpret the interval. The lower bound is The upper bound is (Round to three decimal nlaces as needed
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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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 a mean score of 26.5 with a standard deviation of 4.9, while the 200 students in group 2
had a mean score of 16.2 with a standard deviation of 3.2. Complete parts (a) and (b) below.
(a) Determine the 90% confidence interval for the difference in scores, u - Hz. Interpret the interval.
The lower bound is
The upper bound is
(Round to three decimal places as needed.)
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