TABLE12-1
THE DEMAND FOR WIDGETS
Y = quantity
X2 = price ($)
X3 = income per week ($)
X4 = earnings per week ($)
Y X2 X3 X4
49 1 298 297.5
45 2 296 294.9
44 3 294 293.5
39 4 292 292.8
38 5 290 290.2
37 6 288 289.7
34 7 286 285.8
33 8 284 284.6
30 9 282 281.1
29 10 280 278.8