Question
a) Construct a 95% confidence interval for the regression coefficient for x1 and interpret its meaning....
a) Construct a 95% confidence interval for the regression coefficient for x1 and interpret its meaning.
n=? k=?
critical t score?
Calculate the upper confidence limit (UCL) by using the "plus+" component of the equation.
Calculate the lower confidence limit (LCL) by using the "minus−" component of the equation.
b) Construct a 95% confidence interval for the regression coefficient for x2 and interpret its meaning.
Calculate the upper confidence limit (UCL) by using the "plus+" component of the equation.
Calculate the lower confidence limit (LCL) by using the "minus−" component of the equation.
y x1 x2
12 0 18
14 6 11
16 6 14
17 9 10
18 5 2
20 10 9
29 15 5
30 18 6
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