Question: please help explain the correct answers i got them all wrong thank you. 2. [22pts] Continue with the soda expenditure problem. Refer to the table

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please help explain the correct answers i got them all wrong thank you.
2. [22pts] Continue with the soda expenditure problem. Refer to the table below, please note that the interaction of 'Female' and 'Income' is added. E1: No High School Graduation, E2: High School Graduate, E3: Some College, E4: College Graduate (a) [4pts] Write down the regression using variables and coefficients above. (b) [6pts] What is the omitted category of education? Why do me need to omit it? (c) [4pts] What is the marginal effect of 'Income" on "Soda Expenditure" on male? (d) [4pts] What is the marginal effect of "Income" on 'Soda Expenditure" on female? (e) [4pts] Let's assume that you are interested in if soda expenditure is higher in summer. How would you reflect this in your regression model? 2. [22pts] Continue with the soda expenditure problem. Refer to the table below, please note that the interaction of 'Female' and 'Income' is added. E1: No High School Graduation, E2: High School Graduate, E3: Some College, E4: College Graduate (a) [4pts] Write down the regression using variables and coefficients above. (b) [6pts] What is the omitted category of education? Why do me need to omit it? (c) [4pts] What is the marginal effect of 'Income" on "Soda Expenditure" on male? (d) [4pts] What is the marginal effect of "Income" on 'Soda Expenditure" on female? (e) [4pts] Let's assume that you are interested in if soda expenditure is higher in summer. How would you reflect this in your regression model
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