Assignment: 15.2 Practice: Check My Work Consider the following data for a dependent variable and two independent variables, X1 and X2.

29		13		95
46		11		109
25		18		113
50		17		178
41		6		94
52		19		176
75		8		170
36		13		117
59		13		142
77		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

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=