Question: For chi-square,what is the difference between observed and expected frequencies? A. There is no difference: both look at proportions in sample B. Observed = proportions

For chi-square,what is the difference between observed and expected frequencies?

A. There is no difference: both look at proportions in sample

B. Observed = proportions in sample; expected = proportions in population

C. Observed = proportions in population; expected = proportions in sample

D. There is no difference: both look at proportions in population

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