Data were collected that included information on the weight of the trash (in pounds) on the street one week and the number of people who live in the house. The figure shows a scatterplot with the regression line. Complete parts (a) through (d) below. Click the icon to view the scatterplot and the regression line a. Is the trend positive or negative? What does that mean? The trend is As the number of people per household increases, the weight of trash b. Now calculate the correlation between the weight of trash and the number of people. (Use R-Sq from the figure and take the square root of it.) r= (Round to two decimal places as needed.) c. Report the slope. For each additional person in the house, there are, on average, how many additional pounds of trash? The slope is For each additional person in the house, there are, on average, additional pounds of trash. (Type integers or decimals. Do not round.) d. Either interpret the intercept or explain why it is not appropriate to interpret it. Select the correct choice below and fill in the answer box(es) to complete your choice. (Type integers or decimals. Do not round.) OA. For each additional pound of trash, there is/are, on average, OB. One would expect a household with OC. The predicted weight of trash is additional person/people per household. person/people to generate pound(s) of trash. times the number of people living in the household. OD. It is inappropriate to interpret the intercept because it does not make sense to think of a household with person/people generating trash. Scatterplot and Regression Line Trash (pounds) Predicted Trash = 1.026 + 10.48 People 100 80- 60- R-sq = 73.3% 0 2 3 4 People per Household 5 6 7 LY

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