Question

Consider the following data for a dependent variable y and two independent variables, x1 and x2.

x1	x2	y
29	12	95
46	10	109
24	17	113
50	17	178
40	5	94
52	19	176
74	7	170
36	13	118
59	13	143
76	16	212

Round your all answers to two decimal places. Enter negative values as negative numbers, if necessary.

a. Develop an estimated regression equation relating y to x1.

y^=_____ + _____x1 (fill in blanks)

Predict y if x1=45.

y^=_____

b. Develop an estimated regression equation relating y to x2.

y^=_____ + _____x2       

Predict y if x2=25.

y^=_____

c. Develop an estimated regression equation relating y to x1 and x2.

y^=_____ + _____x1+ _____x2   

Predict y if x1=45 and x2=25.

y^=_____

Answer 1