Develop a 95% prediction interval for y when x1 = 45 and x2 = 15. 1 answer below »

The estimated regression equation for those data is

= -18.4 + 2.01×1 + 4.74×2

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 a 95% confidence interval for the mean value of y when x1 = 45 and x2 = 15.

b. Develop a 95% prediction interval for y when x1 = 45 and x2 = 15.

 

 

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