Consider the following data for a dependent variable yand two independent variables, x1 andx2.
x1 | x2 | y |
30 | 13 | 95 |
46 | 10 | 108 |
25 | 18 | 113 |
50 | 16 | 179 |
40 | 5 | 95 |
51 | 20 | 176 |
74 | 7 | 170 |
36 | 12 | 117 |
59 | 13 | 142 |
77 | 16 | 211 |
Round your all answers to two decimal places. Enter negativevalues as negative numbers, if necessary.
a. Develop an estimated regression equationrelating y to x1.
? =_________ +___________ x1
Predict y if x1 = 45.
? = ____________
b. Develop an estimated regression equationrelating y to x2.
? =__________ +____________ x2
Predict y if x2 = 15.
? = ___________
c. Develop an estimated regression equationrelating y to x1 andx2.
? =________ +___________ x1________ +____________ x2
Predict y if x1 = 45 andx2 = 15.
? = __________