sing the following information: Coefficients Intercept -12.8094 Independent variable 2.1794 ANOVA df SS MS F Regression 1 12323.56 12323.56 90.0481 Residual 8 1094.842 136.8550 Total 9 13418.4 a) What is the standard error of the estimate? A) 136.8552 B) 1094.842 C) 11.6985 D) 13418.4 b) What is the coefficient of determination? Round the percentage to one decimal point. A) 91.8% B) 8.2% C) 90.0% D) 136.9% c) What is the correlation coefficient? A) 0.9184 B) 0.9583 C) −0.9583 D) 0.9004
Using the following information:
|
|
Coefficients |
|
Intercept |
-12.8094 |
|
Independent variable |
2.1794 |
|
ANOVA |
|
|
|
|
|
|
df |
SS |
MS |
F |
|
Regression |
1 |
12323.56 |
12323.56 |
90.0481 |
|
Residual |
8 |
1094.842 |
136.8550 |
|
|
Total |
9 |
13418.4 |
|
|
a) What is the standard error of the estimate?
A) 136.8552
B) 1094.842
C) 11.6985
D) 13418.4
b) What is the coefficient of determination? Round the percentage to one decimal point.
A) 91.8%
B) 8.2%
C) 90.0%
D) 136.9%
c) What is the
A) 0.9184
B) 0.9583
C) −0.9583
D) 0.9004
d) The regression equation is ________.
A) = 2.1794 − 12.8094X
B) = −12.8094 + 2.1794X
C) 12.8094X = 2.1794
D) X = −12.8094 + 2.1794
e) The
A) No significant relationship exists between the variables.
B) A significant negative relationship exists between the variables.
C) A significant positive relationship exists between the variables.
D) For every unit increase in X, Y decreases by 12.8094.
f) If testing the hypothesis H0: ρ = 0, the computed t-statistic is ________.
A) 9.49
B) 8.84
C) 8.18
D) Cannot be computed
e) Estimate the value of when X = 4.
A) 10.45
B) 3.73
C) 8.718
D) −4.092
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