5. You conduct a stepwise regression according to the following procedure: Step 1: HS_SCI only Step 2: HS_SCI and HS_ENG Step 3: HS SCI, HS_ENG and HS_MATH Step 4: HS_SCI, HS_ENG, HS_MATH and PARENT EDUC Step 5: HS_SCI, HS_ENG and HS_MATH, PARENT EDUC AND GENDER Step 6: HS_SCI, HS_ENG and HS_MATH, PARENT EDUC, GENDER and ATAR Present the regression output for each of the six steps. Choice of reference category: It is recommended that you choose U (undergraduate education) as the reference category for the categorical variable: PARENT EDUC.