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A sample of125tobacco smokers who recently completed a new smoking-cessation program were asked to rate the effectiveness of the program on a scale of 1

A sample of125tobacco smokers who recently completed a new smoking-cessation program were asked to rate the effectiveness of the program on a scale of 1 to 10, with 10 corresponding to "completely effective" and 1 corresponding to "completely ineffective". The average rating was4.1and the standard deviation was4.0.

Construct a 95% confidence interval for the mean score

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