Business Statistics And Research Methods - Study Mode
[#146] Assertion (A) In regression analysis, the values of the dependent variable are random, but the values of the independent variable are fixed quantities without error and are chosen by the analyst. Reason (R) Regression analysis provides value of the regressed variables (dependent) from the value of the regressor variables (independent variable).
Correct Answer
(B) Both (A) and (R) are true, but (R) is not the correct explanation of (A)
[#147] The term 'external validity' is concerned with:
Correct Answer
(A) the question of whether the results of a study can be generalized beyond the specific research context
[#148] A good index number is one that satisfies
Correct Answer
(C) Time Reversal Test and Factor Reversal Test
[#149] The following are the estimated regression equations for x and y variables: x = 0.85y y = 0.89x With this information, the value of the coefficient of correlation would be:
Correct Answer
(B) 0.86
[#150] The moment coefficient of skewness 'p 1 ' is equal to
Correct Answer
(C) $$frac{{{{left( {q - p}
ight)}^2}}}{{npq}}$$