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) 90 120 140 170 190 220 Weekly consumption expenditure (Y) 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, 145 250

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