Question

The table shows 2008 GSS data on family income and the subject’s highest degree attained, for which X2 = 315.98 (P-value = 0.000).
a. Estimate the difference between the lowest and highest education groups in the proportion who report (i) below average income and (ii) above average income. Interpret. Does this seem to be a practically significant, or practically insignificant, association?
b. Find and interpret the relative risk of a below-average income, comparing the lowest and highest education groups. Interpret.


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  • CreatedSeptember 11, 2015
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