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16) A sample of 125 tobacco smokers who recently completed a new smoking-cessation program were asked to rate the effectiveness of the program on a scale of I to 10, with 10 corresponding to "completely effective" and 1 corresponding to "completely ineffective". The average rating was 4.1 and the standard deviation was 4.0. E37 Construct a 95% confidence interval for the mean score. A) 3.8 < u<4.4 B) 3.7 <4.5 D) 0 u<4.1 C) 3.4

16) A sample of 125 tobacco smokers who recently completed a new smoking-cessation program were asked to rate the effectiveness of the program on a scale of I to 10, with 10 corresponding to "completely effective" and 1 corresponding to "completely ineffective". The average rating was 4.1 and the standard deviation was 4.0. E37 Construct a 95% confidence interval for the mean score. A) 3.8 < u<4.4 B) 3.7 <4.5 D) 0 u<4.1 C) 3.4

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
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16) A sample of 125 tobacco smokers who recently completed a new smoking-cessation program were asked to rate the effectiveness of the program on a scale of I to 10, with 10 corresponding to "completely effective" and 1 corresponding to "completely ineffective". The average rating was 4.1 and the standard deviation was 4.0. E37 Construct a 95% confidence interval for the mean score. A) 3.8 < u<4.4 B) 3.7 <4.5 D) 0 u<4.1 C) 3.4 <u<4.8
Transcribed Image Text:16) A sample of 125 tobacco smokers who recently completed a new smoking-cessation program were asked to rate the effectiveness of the program on a scale of I to 10, with 10 corresponding to "completely effective" and 1 corresponding to "completely ineffective". The average rating was 4.1 and the standard deviation was 4.0. E37 Construct a 95% confidence interval for the mean score. A) 3.8 < u<4.4 B) 3.7 <4.5 D) 0 u<4.1 C) 3.4 <u<4.8
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