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Chi Square Tests [Is the die fair?]
freq = c(22, 21, 22, 27, 22, 36) probs = c(1,1,1,1,1,1)/6 chisq.test(freq,p=probs) N=sum(freq) E=N*probs X2 = sum((freq-E)^2/E) sum(freq^2/E)-N # Chi-squared length(freq)-1 # df pchisq(X2,df=6-1,lower.tail=FALSE) # p-value
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