dataminingquiz1.docx - Attempt History Date Attempt Marks...

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Oct 20, 2019, 10:52 PM
1
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Question No: 1
Incorrect Answer
Degree of
freedom
Sum of
squares
Mean of the
squares
Regression 1
1258.548639
(SSR)
1258.548639
(MSR)
Residual 6
773.4513612
( SSE)
128.9085602
(MSE)
Total 7
2032
(SST)
Based on the above Table what is the value of F Statistic?
1.62
6
0.61
You Selected
9.76
Question No: 2
Correct Answer
Correlation Coefficient takes values between +1 and -1
True
You Selected
False
Question No: 3
Correct Answer

As per assumptions of Linear Regression: Variance of the error terms should be
Heteroscedastic
Homoscedastic
You Selected
Question No: 4
Correct Answer
Df
Sum of
squares
Mean of the
squares
Regression 1
1258.548639
(SSR)
1258.548639
( MSR )
Residual 6
773.4513612
(SSE)
128.9085602
( MSE)
Total 7
2032
SST
No. of Independent Variables (I.V) = 1 Based on the above table what would be the value of R
Square (R²)?
0.74
0.62
You Selected
0.5
0.82
Question No: 5
Correct Answer
A Type II error is a
False Positive
False Negative
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Question No: 6
Correct Answer

The VIF is a relative measure of the increase in the variance because of collinearity.