A study was done to determine whether gender of the

A study was done to determine whether gender of the

A study was done to determine whether gender of the credit card holder was an import ant factor in generating profit for a certain credit card company. The variables considered were income, the number of family members, and gender of the card holder. The data are as follows:
(a) Fit a linear regression model using the variables available. Based on the fitted model, would the company prefer male or female customers?
(b) Would you say that income was an important factor in explaining the variability inprofit?

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