Question

We have a dataset with n = 10 pairs of observations (xi; yi), and
Xn
i=1
xi = 683;
Xn
i=1
yi = 813;
Xn
i=1
x2i
= 47; 405;
Xn
i=1
xiyi = 56; 089;
Xn
i=1
y2
i = 66; 731:
What is an approximate 95% confidence interval for the mean response at x0 = 90?

We have a dataset with n = 10 pairs of observations (li, Yi), and n n Σ Xi = 683, Yi = 813, i=1 i=1 n n п { x = 47,405, viyi

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Answer #1

Solo Given Eni = 683 {yi = 813 i1 {x?= 47,405 Exiy; = 56,089 , ê, = 66,731 11 NOWI We have T= afbx 0 Ey = na tbex -> Edy = a&


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