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A researcher conducted an experiment to determine the effect of a lecturer's age on student preferences to hear him lecture. In a regular classroom situation, 30 students were told that the administration wished to know their preferences regarding a forthcoming visiting lecture series. In particular, they were asked to evaluate a professor who "might be visiting the campus.' The professor was described to all students in the same way with one exception: One-third of the

A researcher conducted an experiment to determine the effect of a lecturer's age on student preferences to hear him lecture. In a regular classroom situation, 30 students were told that the administration wished to know their preferences regarding a forthcoming visiting lecture series. In particular, they were asked to evaluate a professor who "might be visiting the campus.' The professor was described to all students in the same way with one exception: One-third of the

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A researcher conducted an experiment to determine the effect of a lecturer's age on student preferences to hear him lecture. In a regular classroom situation, 30 students were told that the administration wished to know their preferences regarding a forthcoming visiting lecture series. In particular, they were asked to evaluate a professor who “might be visiting the campus." The professor was described to all students in the same way with one exception: One-third of the students were told the professor was 75 years old; one-third were told the professor was 50 years old; and the remaining one-third were told that the professor was 25 years old. All students were then asked to indicate their willingness to attend the professor's lecture on a scale of 1 to 10 (with 10 being the highest). From the results given below, determine whether there is a significant difference between these groups of students with respect to their willingness to attend the lecture. Test at a = .01. X1 X2 X3 (Scores of Students told Professor was 25 (Scores of Students told Professor was 50 (Scores of Students told Professor was 75 years old) years old) years old) 9. 6. 4 3 4 6. 6. 7 7 4 7 4 5 7 3 5 6. 7 3 8 5 4 6. 6 2 6. 8 7
Transcribed Image Text:A researcher conducted an experiment to determine the effect of a lecturer's age on student preferences to hear him lecture. In a regular classroom situation, 30 students were told that the administration wished to know their preferences regarding a forthcoming visiting lecture series. In particular, they were asked to evaluate a professor who “might be visiting the campus." The professor was described to all students in the same way with one exception: One-third of the students were told the professor was 75 years old; one-third were told the professor was 50 years old; and the remaining one-third were told that the professor was 25 years old. All students were then asked to indicate their willingness to attend the professor's lecture on a scale of 1 to 10 (with 10 being the highest). From the results given below, determine whether there is a significant difference between these groups of students with respect to their willingness to attend the lecture. Test at a = .01. X1 X2 X3 (Scores of Students told Professor was 25 (Scores of Students told Professor was 50 (Scores of Students told Professor was 75 years old) years old) years old) 9. 6. 4 3 4 6. 6. 7 7 4 7 4 5 7 3 5 6. 7 3 8 5 4 6. 6 2 6. 8 7
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