Q1. Asupermarketchainwantstoknowiftheirbuyonegetonefreecampaignincreases customertrafficenoughtojustify thecost oftheprogram. Foreachof10stores they select two days at random to run the test. For
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Q1.Asupermarketchainwantstoknowiftheir"buyonegetonefree"campaignincreases customertrafficenoughtojustify thecost oftheprogram. Foreachof10stores they select two days at random to run the test. For one of those days (selected by a coin flip), the program will be in effect. They want to test if the program increases the main traffic. Here are the results in number of customer visits to the 10 stores:
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