Mathematics, 22.04.2021 06:10 dnwilliams838

A sample of 101 tobacco 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 "completely effective" and 1 corresponding to "completely ineffective". The average rating for the sample was 4.1 and the standard deviation was 4.0. Construct a 95% confidence for the mean score.

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