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A suspected food poisoning at a weekend barbeque is being investigated. The following 2x2 table shows the number of people who have eaten the hamburger
A suspected food poisoning at a weekend barbeque is being investigated. The following 2x2 table shows the number of people who have eaten the hamburger and the people who developed food poisoning. We want to know if eating the burger is related something to the food poisoning. Food poisoning+. Food poisoning- total hamburger+. 80. 30 110 hamburger- 40 100 140 120 130 250 Assuming a X^2 statistic of 21.54 (not the right answer for 5.1) which selection will give you the correct p-value in R? Choice 1 of 4:pchisq(q=21.54, df=1, lower.tail=F) Choice 2 of 4:chisq.test(q=21.54, correct=T) Choice 3 of 4:pchisq(q=21.54, df=4, lower.tail=F) Choice 4 of 4:chisq.test(q=21.54, correct=F)
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