45) Answer the following questions a) Ifr-0.95, n= 11 and the (v-5P = 100, what

Question

45) Answer the following questions a) Ifr-0.95, n= 11 and the (v-5P = 100, what issj ors,,? n-k S- 0.245 o. sssO b) If 1, then s, in (45a) can be shown to have what type of relationship with SST and SSR? c) what relationship exists between y and Y where r2 = 1? d) What relationship exists between y and Y where 0? e) Given the following informationif-0.95. n-10 and k-2 what is the t-value for bi? In (e), you calculated t-value at the 0.05 level of significance; what statistical decision can you make about bi? f) 46) Calculate r for the following sets of data:

Explanation / Answer

b) If r^2 =1 then Se^2 is 0
then SST = SSR

since SST = SSR + SSE
= SSR + 0 = SSR

c)If r^2 =1 then Y-hat = Y
d) If r^2 = 0 then Y-hat = average of Y

46) r^2 = 140/210 = 0.6667

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