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Q1) Following data give square footage, selling price, number of bedrooms and age of houses that have sold in neighbourhood in last 6 months. Develop 3 regression models to forecast selling price based upon each of other factors individually. Which of these is best?
Q2) Sample of twenty automobiles was taken, and miles per gallon (MPG), horsepower, and total weight were recorded. Create linear regression model to predict MPG using horsepower as the only indepent variable. Create another model with weight as independent variable. Which of these two models is better? Describe.
MPG
Horsepower
weight
44
67
1844
50
1998
40
62
1752
37
69
1980
66
1797
34
63
2199
35
90
2404
32
99
2611
30
3236
28
91
2606
26
94
2580
88
2507
22
97
2434
20
114
3248
21
102
2812
18
3382
142
3197
16
153
4380
139
4036
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