You are interested in helping your friend quit smoking. You find recent data rep

Question

You are interested in helping your friend quit smoking. You find recent data reporting the number of cigarettes a person smoked on the day 3 week after the "quit smoking". The data was for people taking the patch, using nicotine gum, and qutting cold turkey. You want to use the data to determine if the treatments are equally effective or not. the data is listing below

a.) Explain why a one- way ANOVA test is appropriate for this analysis and what assumption must be made in order to run this hypothesis test

b.) Assuming the assumption holds, run a one-way ANOVA test at a 5% level of significance. List ALL pertinent statistical information and explain your results.

c.) Build 95% confidence intervals for each treatment.

d.) What advice would you give your friend?

Cold Turkey 4, 6, 7, 5, 3, 6, 5, 4, 6, 10, 2, 4, 3, 6, 5, 7, 4, 0 Nicotine Gum 4, 6, 9, 7, 10, 6, 8, 9, 7, 11, 9, 8, 5, 8, 4, 8, 6, 1 The Patch 3, 9, 5, 8, 6, 7, 12, 9, 8, 3, 11, 8, 9, 7, 3, 9, 13, 4, 0, 8, 7, 10, 9

Explanation / Answer

a) One -way ANOVA is an appropritae test for this analysis as we want to see whether is any significant difference between the treatments that are independent from each other. However, One ay ANOVA will not tell is which specific treatment is different from each other so we will use post-hoc test to determine where differences exists.

Null Hypothesis: All three treatments are equally effective

b) and c) One way ANOVA test is done using SPSS software. Analysis is attached.

d) Since from the output we observed that all treatments are not equally effective and the difference lie bwteen Cold turkey treatmetn and other treatments.

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