Topic 6_Section 2.5 SP13 relations in categorical data

2 marginal distn ofseeingthead marginaldistn

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Unformatted text preview: all the people saw the ad? • What % of all the people made a purchase? • What % of all the people saw the ad AND made a purchase? Breaking Down Results: • Distribution: Marginal Distribution: The distribution of one of the variables by itself. • For those who didn’t see the ad, what % of those still made a purchase? 2 Marginal Dist’n of Seeing the Ad Marginal Dist’n of making a purchase • Find and interpret the marginal distribution of seeing the ad. (Possible values are YES, NO). • Find and interpret the marginal distribution of purchase. (Possible values are YES – made a purchase, NO – did not make a purchase). •...
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This note was uploaded on 02/15/2013 for the course STATISTICS 1430 taught by Professor Lirapi during the Spring '10 term at Ohio State.

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