15. How well do the observed frequencies fit the expected frequencies? These results are from a fictional

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15. How well do the observed frequencies fit the expected frequencies?

These results are from a fictional study examining whether Accident and Emergency doctors vary in their preference for which nights they want to work over the weekend. The following frequencies were observed:

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a) Quite well, they don’t look that different

b) Not very well, they look a bit different

c) They significantly differ, as shown by the residuals

d) They significantly differ as shown by the χ2

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Statistics For The Health Sciences

ISBN: 9781849203364

1st Edition

Authors: Christine Dancey, John Reidy, Richard Rowe

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