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4.) In order to determine the effect of music on the speed of students in answering exams, an instructor administered a comprehensive test while listening to music to his students and recorded the time that they completed and submitted the test. He divided the class of 32 students into 2 groups. 17 were in the exam room with music playing, and 15 were in the exam room without music. The 17 students who listened to music had an average score of 59 with a standard deviation of 10. The other had an average of 65 with a standard deviation of 15. Can the instructor conclude that music distracts students from taking exams?

4.) In order to determine the effect of music on the speed of students in answering exams, an instructor administered a comprehensive test while listening to music to his students and recorded the time that they completed and submitted the test. He divided the class of 32 students into 2 groups. 17 were in the exam room with music playing, and 15 were in the exam room without music. The 17 students who listened to music had an average score of 59 with a standard deviation of 10. The other had an average of 65 with a standard deviation of 15. Can the instructor conclude that music distracts students from taking exams?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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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4.) In order to determine the effect of music on the speed of students in answering exams, an instructor administered a comprehensive test while listening to music to his students and recorded the time that they completed and submitted the test. He divided the class of 32 students into 2 groups. 17 were in the exam room with music playing, and 15 were in the exam room without music. The 17 students who listened to music had an average score of 59 with a standard deviation of 10. The other had an average of 65 with a standard deviation of 15. Can the instructor conclude that music distracts students from taking exams?
Transcribed Image Text:4.) In order to determine the effect of music on the speed of students in answering exams, an instructor administered a comprehensive test while listening to music to his students and recorded the time that they completed and submitted the test. He divided the class of 32 students into 2 groups. 17 were in the exam room with music playing, and 15 were in the exam room without music. The 17 students who listened to music had an average score of 59 with a standard deviation of 10. The other had an average of 65 with a standard deviation of 15. Can the instructor conclude that music distracts students from taking exams?
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