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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