Dex Research Limited conducted a research to investigate consumer characteristics that can be used topredict the amount charged by credit card users. The following multiple regression output is based on adata collected by this research company on annual income, household size and annual credit cardcharges for a sample if 50 consumers.Regression StatisticsMultiple R 0.9086R Square AAdjusted R Square 0.8181Standard Error 398.0910Observations BANOVAdf SS MS F Significance FRegression 2 D E G 1.50876E-18Residual C 7448393.148 FTotal 49 42699148.82Coefficients Standard Error t Stat P-valueIntercept 1304.9048 197.6548 6.6019 3.28664E-08Income ($1000s) 33.1330 3.9679 H 7.68206E-11Household Size 356.2959 33.2009 10.7315 3.12342E-14a. Complete the missing entries from A to H in this output (4 marks)b. Estimate the annual credit card charges for a three-person household with an annual incomeof $40,000. (2 marks)c. Did the estimated regression equation provide a good fit to the data? Explain

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Dex Research Limited conducted a research to investigate consumer characteristics that can be used topredict the amount charged by credit card users. The following multiple regression output is based on adata collected by this research company on annual income, household size and annual credit cardcharges for a sample if 50 consumers.Regression StatisticsMultiple R 0.9086R Square AAdjusted R Square 0.8181Standard Error 398.0910Observations BANOVAdf SS MS F Significance FRegression 2 D E G 1.50876E-18Residual C 7448393.148 FTotal 49 42699148.82Coefficients Standard Error t Stat P-valueIntercept 1304.9048 197.6548 6.6019 3.28664E-08Income ($1000s) 33.1330 3.9679 H 7.68206E-11Household Size 356.2959 33.2009 10.7315 3.12342E-14a. Complete the missing entries from A to H in this output (4 marks)b. Estimate the annual credit card charges for a three-person household with an annual incomeof $40,000. (2 marks)c. Did the estimated regression equation provide a good fit to the data? Explain
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