Given that: n=5, SUM(X) =45, SUM(Y) =48, SUM(X^2) =445, SUM(Y^2)
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1. Given that: n=5, SUM(X) =45, SUM(Y) =48, SUM(X^2) =445, SUM(Y^2) =473.5, SUM(XY)=450, calculate SSXX:
A) 92.8 B) 40
C) 248.8 D) 50
2. Given that (same data as in problem # 1 above) : n= 5, SUM(X) =45, SUM(Y) =48, SUM(x^2) =445, SUM(y^2) =473.5, SUM(XY) =450, calculate SSXY:
A) 12.7 B) 100.4
C) 18 D) 36.7
3. Given that (same data as in problem # 1 above), calculate the intercept b0:
A) 5.55 B) 0.40
C) 3.95 D) 12.22
4. Given that (same data as in problem # 1 above), calculate SSyy:
A) 6.11 B) 12.7
C) 53.2 D) 18.3
5. Given that (same data as in problem # 1 above), calculate SSE:
A)98 B)0.25
C)4.6 D)12.68
6. Given that (same data as in problem # 1 above), calculate Sb:
A) 2.22 B)1.37
C)0.11 D)0.20
7. Given that (same data as in problem # 1 above), calculate SSR:
A)40.52 B)14.51
C)8.1 D)0.11
8. Given that (same data as in problem # 1 above), calculate the Coefficient of Determination R^2 (note: this a Simple Regression problem, with 1 independent variable):
A)0.79 B)0.25
C)0.64 D)0.11
9. Given that (same data as in problem # 1 above), calculate the F-statistic a Simple Regression problem, with 1 independent variable):
A)2.28 B)5.28
C)11.50 D)17.50
12) Given the provided below ANOVA table, calculate dfE:
A)4 B)2
C)8 D)1
ANOVA
df SS
MS
F
Regression
2 ?
?
?
Error
? 342.60
?
Total
10 344.18
13) Given the ANOVA table provided in problem #12 above, calculate SSR:
A)1.58 B)2 C)0.79 D)2.18
14) Given the ANOVA table provided in problem #12 above, calculate MSR:
A)1.58 B)2 C)0.79 D)2.18
15) Given the ANOVA table provided in problem #12 above, calculate MSE:
A)0.79 B)34.42
C)12 D)42.83
16) Given the ANOVA table provided in problem #12 above, calculate the F ratio:
A)0.1845 B)0.01845
C)0.001845 D)1.845
17) Given the ANOVA table provided in problem #12 above, find the value of r
(i.e of the sample size)
A)9 B)12
C)11 D)10
18) Given the ANOVA table provided in problem #12 above, find the value of
A)42.82 B)344.2
C)11.15 D)86.04
19) Given the “original” raw data provided below, calculate b1:
X Y
2 16
4 22
A)10 B)1.5
C)3 D)2
11 years ago
Answer for: Given that: n=5, SUM(X) =45, SUM(Y) =48, SUM(X^2) =445, SUM(Y^2)
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