Interview question based on skill :
Take as many assements as you can to improve your validate your skill rating
Total Questions: 8
1. Point out the correct statement:
Correct Answer is : All of the Mentioned
2. Minimizing the likelihood is the same as maximizing -2 log likelihood.
Correct Answer is : TRUE
3. Residuals are useful for investigating best model fit.
Correct Answer is : FALSE
4. Which of the following implies no relationship with respect to correlation ?
Correct Answer is : Cor(X, Y) = 0
5. Normalized data are centered at ___ and have units equal to standard deviations of the original data.
Correct Answer is : 0
6. Point out the wrong statement:
Correct Answer is : Least squares is not an estimation tool
7. Which of the following is correct with respect to residuals ?
Correct Answer is : Positive residuals are above the line, negative residuals are below
8. Which of the following refers to the circumstance in which the variability of a variable is unequal across the range of values of a second variable that predicts it ?
Correct Answer is : Heteroskedasticity
