Question: The rank correlation coefficient of a debating contest involving 10 participants was calculated as 0.6. However, it was later discovered that the difference in the ranks of some participants was read as 8 instead of 3. Find the correct…

Question: If one of the regression coefficient is greater than unity, the other must be: A. More than Unity B. Less than Unity C. Unity D. none Answer» b. Less than Unity Note: The above multiple-choice question is for all…

Question: If the coefficient of determination is a positive value, then the regression equation: A. must have a positive slope B. must have a negative slope C. could have either a positive or a negative slope D. must have a…

Question: In a bivariate distribution, Spearman’s Coefficient of Correlation is -0.25. If the sum of the squares of various ranks is 150, find out the number of pairs of items: A. 10 B. 8 C. 9 D. 7 Answer» c.…

Question: A coefficient of correlation is computed to be -0.95 means that: A. The relationship between two variables is weak B. The relationship between two variables is strong and positive C. The relationship between two variables is strong and but…

Question: The percent of total variation of the dependent variable Y explained by the set of independent variables X is measured by: A. Coefficient of Correlation B. Coefficient of Skewness C. Coefficient of Determination D. Standard error Answer» c. Coefficient…

Question: Regression Coefficient of Y on X is: A. bXY B. bYX C. Not Specified D. none Answer» b. bYX Note: The above multiple-choice question is for all general and Competitive Exams in India. 

Question: If two variables, x and y, have a very strong linear relationship, then: A. there is evidence that x causes a change in y B. there is evidence that y causes a change in x C. there might not…

Question: The regression coefficient of X on Y is: A. bXY B. bYX C. Not Specified D. none Answer» a. bXY Note: The above multiple-choice question is for all general and Competitive Exams in India. 

Question: The regression coefficients re independent of change of origin but: A. Not of Scale B. Also of Scale C. No Change in scale D. none Answer» a. Not of Scale Note: The above multiple-choice question is for all general…