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Problem B (5 points): A medical sociologist investigated the relationship between severity of
illness ( X ) and length of stay in a hospital ( Y ) . Choosing 8 patients at random, she ranked the
seriousness of their ailments and determined the number of days they were hospitalized.
Compute a rank-order correlation coefficient and indicate whether there is a significant
relationship between X and Y at the .05 level of significance. Provide the value of the
coefficient, total N , and the decision about the null hypothesis. ( 5 points).

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