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Does the probability of a person's loan being good or delinquent depend upon his income level? Consider the following contingency table. Income PaymentLowMedianHigh Good455065 Delinquent52015
Does the probability of a person's loan being "good" or "delinquent" depend upon his income level? Consider the following contingency table.
Income
PaymentLowMedianHigh
Good455065
Delinquent52015
a) Specify the null and alternative hypotheses.
b) Using =0.05, find the rejection region.
c) Calculate the test statistic. (You may use SPSS, if you wish.)
d) Do you reject or not reject the null hypothesis?
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