QUESTION 1 Table 1 gives data on weekly family consumption expenditure (Y) (in dollars) and weekly family income (X) (in dollars) for a population of 60 students. Weekly income (X) Weekly consumption expenditure (Y) 90 120 140 170 190 220 250 270 290 55, 60, 65, 70, 75 65, 70, 74, 80, 85, 88 79, 84, 90, 94, 98 80, 93, 95, 103, 108, 113, 115 102, 107, 110, 116, 118, 125 110, 115, 120, 130, 135, 140 120, 136, 140, 144, 145 135, 137, 140, 152, 157, 160, 162 137, 145, 155, 165, 175, 189 150, 152, 175, 178, 180, 185, 191 320 For each income level, compute the mean consumption expenditure E(Y|X;), that is, the conditional expected value Plot these data in a scattergram with income on the horizontal axis and consumption expenditure on the vertical axis. Plot the conditional means derived in part (a) in the same scattergram created in part (b). а. b. с.
QUESTION 1 Table 1 gives data on weekly family consumption expenditure (Y) (in dollars) and weekly family income (X) (in dollars) for a population of 60 students. Weekly income (X) Weekly consumption expenditure (Y) 90 120 140 170 190 220 250 270 290 55, 60, 65, 70, 75 65, 70, 74, 80, 85, 88 79, 84, 90, 94, 98 80, 93, 95, 103, 108, 113, 115 102, 107, 110, 116, 118, 125 110, 115, 120, 130, 135, 140 120, 136, 140, 144, 145 135, 137, 140, 152, 157, 160, 162 137, 145, 155, 165, 175, 189 150, 152, 175, 178, 180, 185, 191 320 For each income level, compute the mean consumption expenditure E(Y|X;), that is, the conditional expected value Plot these data in a scattergram with income on the horizontal axis and consumption expenditure on the vertical axis. Plot the conditional means derived in part (a) in the same scattergram created in part (b). а. b. с.
ChapterA: Working With Diagrams
Section: Chapter Questions
Problem 1QP
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