Question: Can you please help me answer these question ? having troubles , please 4.28 Earnings of Mexican street vendors. Refer to the World Development (February

Can you please help me answer these question ? having troubles , please

Can you please help me answer these question ? having troubles ,

please 4.28 Earnings of Mexican street vendors. Refer to the World Development

4.28 Earnings of Mexican street vendors. Refer to the World Development (February 1998) study of street vendors in the city of Puebla, Mexico, Exercise 4.6 (p. 184). Recall that the vendors' mean annual earnings. E(y), was modeled as a first-order function of age (x) and hours worked (x2). Now, consider the interaction model E(y)- Ao + 1Xi + 2x2 + 3XiX2. The SAS printout for the model is displaved in the next column (a) Give the least squares prediction equation (b) What is the estimated slope relating annual earnings (y) to age (x) when number of hours worked (x2) is 10? Interpret the result. (c) What is the estimated slope relating annual earnings (y) to hours worked (x2) when age (x) 1s 40? Interpret the result (d) Give the null hypothesis for testing whether age (x) and hours worked (x2) interact (e) Find the p-value of the test, part d (f) Refer to part e. Give the appropriate conclu- sion in the words of the

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