12. A supermarket chain performed a survey to help determine desirable locations for new stores. The management of the chain wanted to know whether a linear relationship exists between weekly take-home pay and weekly food expenditures. A random sample of 8 households produced the data shown in the accompanying table. Family 1 2 3 4 5 6 7 8 Your answer Weekly Take-Home Pay 300 200 270 180 250 360 225 340 Your answer Weekly Food Expenditures 160 110 a. Using a scatter plot, does there seem to be a linear relationship between weekly take-home pay and weekly food expenditures? b. Compute the correlation coefficient and INTERPRET. * 150 90 130 200 120 180 c. What is a reasonable choice for the dependent and independent variables. Why? S .S

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