Perform a logistic regression analysis for the depression data which includes income and sex and models age as an a) quadratic or b) cubic function. Use likelihood ratio test statistics to determine...

Perform a logistic regression analysis for the depression data which includes income and sex and models age as an a) quadratic or b) cubic function. Use likelihood ratio test statistics to determine whether these models are significantly better than a model which includes income and sex and models age as a linear function