The Nielsen Ratings estimate the numbers of televisions tuned to various channels. However, television executives need more information. The General Social Survey may be the source of this information. Respondents were asked to report the number of hours per average day of television viewing (TVHOURS). Conduct a regression analysis using the independent variables age (AGE), education (EDUC), hours of work (HRS1), and number of children (CHILDS).

a. Test the model’s validity

b. Interpret the slope coefficients

c. Test each slope coefficient

d. Determine the coefficient of determination and describe what it tells you