(A) Squared Rank test
(B) Runs test
(C) Wilcoxon Signed Rank test
(D) None of these
Tag: Statistics Mcqs
To test the randomness in the data, we use?
(A) Friedman test
(B) Runs test
(C) Wilcoxon Signed Rank test
(D) None of these
If Ui is error term is simple liner regression model and Cov (Ui,Uj) not equal 0 there is?
(A) Heteroscedasticity
(B) Multicollinearity
(C) Autocorrelation
(D) None of these
If there exist a linear relationship among regressions (x’s) there is?
(A) Heteroscedasticity
(B) Multicollinearity
(C) Autocorelation
(D) None of these
One of the classical assumptions to apply OLS is Cov (Ui,Uj)=__.
(A) Positive
(B) Negtive
(C) 0
(D) None of these
Corelation coefficient lies between?
(A) -1 and +1
(B) 0 and 1
(C) -1 and 0
(D) -0.5 and .5
Correlation coefficients is __of two regression coefficinets.
(A) A.M
(B) G.M
(C) H.M
(D) All of these
Mean does not exists of__probability distribution.
(A) Gamma
(B) Beta
(C) Cauchy
(D) Uniform