Question

In the paper "The Smoking Cessation Efficacy of Varying Doses of Nicotine Patch Delivery Systems 4 to 5 Years Post-Quit Day" (Preventative Medicine, 28, pp. 113-118), D. Daughton et al. discussed the long-term effectiveness of transdermal nicotine patches on participants who had previously smoked at least 20 cigarettes per day. A sample of 15 participants in the Transdermal Nicotine Study Group (TNSG) reported that they now smoke the following number of cigarettes per day.
a. Determine the quartiles for these data.
b. Remark on the usefulness of quartiles with respect to this data set.


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  • CreatedAugust 13, 2015
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