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

x₁

and

x₂.

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

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

(Round your numerical values to one decimal place.)

=

Predict y if x₁ = 76.

(Round your answer to one decimal place.)

(b)Develop an estimated regression equation relating y to x₂.(Round your numerical values to one decimal place.)

=

Predict y if x₂ = 16. (Round your answer to one decimal place.)

(c)Develop an estimated regression equation relating y to x₁ and x₂.(Round your numerical values to one decimal place.)

=

Predict y if x₁ = 76 and x₂ = 16. (Round your answer to one decimal place.)