Consider the following data for a dependent variableyand two independent variables,x1andx2.

X1	X2	y
30		12		94
47		10		108
25		17		112
51		16		178
40		5		94
51		19		175
74		7		170
36		12		117
59		13		142
76		16		211

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

a.Develop an estimated regression equation relatingytox1.

y= + x1

Predictyifx1= 45.

y =

b.Develop an estimated regression equation relatingytox2.

y = + x2

Predictyifx2=15.

y =

c.Develop an estimated regression equation relatingytox1andx2.

y = + x1 + x2

Predictyifx1=45andx2 =15.

y =