O Side-by-Side Does the order in which wine is presented make a difference? In this study, subjects were asked to taste two wine samples in sequence. Both samples given to a subject were the same wine, although subjects were expecting to taste two different samples of a particular variety. Of the 32 subjects in the study, 22 selected the wine presented first when presented with two identical wine samples. SOLVE: Use p = 0.6875 and 95% confidence level to find !! the sample size, n. Give your answer rounded up to the nearest whole number. How large a sample would be needed to obtain margin of error 0.05 in the study of choice order for tasting wine? (Use 95% confidence.) A Mamonakis et al. Order in Choice Elfec of Serial Poition on Preferences," Prychlogical Seienen, 20 c00 . 1309-2

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