Question
1.A consumer buying cooperative tested the effective heating area of 20 different electric space heaters with different wattages. Here are the results. Heater Wattage Area
1.A consumer buying cooperative tested the effective heating area of 20 different
electric space heaters with different wattages. Here are the results.
Heater
Wattage
Area
1
1,460
225
2
650
94
3
1,430
175
4
1,230
134
5
1,310
151
6
1,280
224
7
1,060
119
8
1,980
311
9
1,030
114
10
1,600
234
11
1,270
90
12
460
76
13
540
72
14
1,550
180
15
2,100
258
16
1,410
233
17
740
87
18
1,530
228
19
1,240
146
20
500
29
a. Compute the correlation between the wattage and heating area.
b.Develop the regression equation for effective heating based on wattage.
c. Which heater looks like the "best buy" based on the size of the residual?
The sixth heater is the best buy. It heats an area that is 55.296 square feet larger than estimated by the regression equation.
in this problem where did you get the X1, X1 Y1, and Y1??
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