Multi-choice 1 Question 1. Match List I (r value) with List II (Interpretation) and select the correct answer using the code givenn below the Lists- List I (r value) List II (Interpretation) a. 0.26 i. High negative relation b. -0.35 ii. Low positive relation c. -0-89 iii. High positive relation d. 0.98 iv. Low negative relation Answers Option 1 a.ii, b.iv, c.i, d.iii Option 2 a.ii, b.iii, c.i, d.iv Option 3 a.iv, b.ii, c.i, d.iii Option 4 a.iii, b.iv, c.ii, d.i Feedback Correct option Wrong choice Incorrect selection Wrong choice Solution Correct Option (Feedback) Wrong (Feedback) Wrong (Feedback) Wrong (Feedback) Question 2. Which of the following formulae is correct for computing correlation coefficient? Answers Option 1 Option 2 Option 3 Option 4 Feedback Wrong choice Incorrect selection Wrong choice Correct option Solution Wrong (Feedback) Wrong (Feedback) Wrong (Feedback) Correct Option (Feedback) Question 3. Which of the following is/are not correct? Answers Option 1 Interchanges of all x and y values will change the sign of correlation coefficient Option 2 r is a pure number having no units Option 3 The coefficient of correlation r lies between – 1 and + 1 Option 4 The value of ‘r’ does not change if all the values of either variable are counted to a different scale Feedback Correct option Wrong choice Incorrect selection Wrong choice Solution Correct Option (Feedback) Wrong (Feedback) Wrong (Feedback) Wrong (Feedback) Question 4. For comparing yearly changes in price level, the suitable index to be used is Answers Option 1 FBI with average price as current Option 2 FBI with average price as base Option 3 FBI Option 4 CBI Feedback Wrong choice Incorrect selection Wrong choice Correct option Solution Wrong (Feedback) Wrong (Feedback) Wrong (Feedback) Correct Option (Feedback) Question 5. The weights used in Laspeyre’s price index are denoted as Answers Option 1 P_{0} Option 2 q_{0} Option 3 P_{1} Option 4 q_{1} Feedback Wrong choice Correct option Incorrect selection Wrong choice Solution Wrong (Feedback) Correct Option (Feedback) Wrong (Feedback) Wrong (Feedback) Question 6. The weights used is Laspeyre’s quantity index are denoted as Answers Option 1 q_{0} Option 2 q_{1} Option 3 P_{1} Option 4 P_{0} Feedback Wrong choice Incorrect selection Wrong choice Correct option Solution Wrong (Feedback) Wrong (Feedback) Wrong (Feedback) Correct Option (Feedback) Question 7. The weights used in Paasche’s price index are denoted as Answers Option 1 P_{1} Option 2 P_{0} Option 3 q_{0} Option 4 q_{1} Feedback Wrong choice Incorrect selection Wrong choice Correct option Solution Wrong (Feedback) Wrong (Feedback) Wrong (Feedback) Correct Option (Feedback) Question 8. The weights used in Paasche’s quantity index are denoted as Answers Option 1 q_{1} Option 2 q_{0} Option 3 P_{1} Option 4 P_{0} Feedback Wrong choice Incorrect selection Correct option Wrong choice Solution Wrong (Feedback) Wrong (Feedback) Correct Option (Feedback) Wrong (Feedback) Question 9. If the two regression lines are perpendicular to each other, then Answers Option 1 r = 0 Option 2 r = -1 Option 3 r = +1 Option 4 r ≥ 1 Feedback Correct option Wrong choice Incorrect selection Wrong choice Solution Correct Option (Feedback) Wrong (Feedback) Wrong (Feedback) Wrong (Feedback) Question 10. If the regression lines are identical, then- Answers Option 1 r = 0 Option 2 r = +1 Option 3 r = -1 Option 4 Either r = +1 or r = -1 Feedback Wrong choice Incorrect selection Wrong choice Correct option Solution Wrong (Feedback) Wrong (Feedback) Wrong (Feedback) Correct Option (Feedback)

Multi-choice 1 Question 1. Match List I (r value) with List II (Interpretation) and select the correct answer using the code givenn below the Lists- List I (r value) List II (Interpretation) a. 0.26 i. High negative relation b. -0.35 ii. Low positive relation c. -0-89 iii. High positive relation d. 0.98 iv. Low negative relation Answers Option 1 a.ii, b.iv, c.i, d.iii Option 2 a.ii, b.iii, c.i, d.iv Option 3 a.iv, b.ii, c.i, d.iii Option 4 a.iii, b.iv, c.ii, d.i Feedback Correct option Wrong choice Incorrect selection Wrong choice Solution Correct Option (Feedback) Wrong (Feedback) Wrong (Feedback) Wrong (Feedback) Question 2. Which of the following formulae is correct for computing correlation coefficient? Answers Option 1 Option 2 Option 3 Option 4 Feedback Wrong choice Incorrect selection Wrong choice Correct option Solution Wrong (Feedback) Wrong (Feedback) Wrong (Feedback) Correct Option (Feedback) Question 3. Which of the following is/are not correct? Answers Option 1 Interchanges of all x and y values will change the sign of correlation coefficient Option 2 r is a pure number having no units Option 3 The coefficient of correlation r lies between – 1 and + 1 Option 4 The value of ‘r’ does not change if all the values of either variable are counted to a different scale Feedback Correct option Wrong choice Incorrect selection Wrong choice Solution Correct Option (Feedback) Wrong (Feedback) Wrong (Feedback) Wrong (Feedback) Question 4. For comparing yearly changes in price level, the suitable index to be used is Answers Option 1 FBI with average price as current Option 2 FBI with average price as base Option 3 FBI Option 4 CBI Feedback Wrong choice Incorrect selection Wrong choice Correct option Solution Wrong (Feedback) Wrong (Feedback) Wrong (Feedback) Correct Option (Feedback) Question 5. The weights used in Laspeyre’s price index are denoted as Answers Option 1 P_{0} Option 2 q_{0} Option 3 P_{1} Option 4 q_{1} Feedback Wrong choice Correct option Incorrect selection Wrong choice Solution Wrong (Feedback) Correct Option (Feedback) Wrong (Feedback) Wrong (Feedback) Question 6. The weights used is Laspeyre’s quantity index are denoted as Answers Option 1 q_{0} Option 2 q_{1} Option 3 P_{1} Option 4 P_{0} Feedback Wrong choice Incorrect selection Wrong choice Correct option Solution Wrong (Feedback) Wrong (Feedback) Wrong (Feedback) Correct Option (Feedback) Question 7. The weights used in Paasche’s price index are denoted as Answers Option 1 P_{1} Option 2 P_{0} Option 3 q_{0} Option 4 q_{1} Feedback Wrong choice Incorrect selection Wrong choice Correct option Solution Wrong (Feedback) Wrong (Feedback) Wrong (Feedback) Correct Option (Feedback) Question 8. The weights used in Paasche’s quantity index are denoted as Answers Option 1 q_{1} Option 2 q_{0} Option 3 P_{1} Option 4 P_{0} Feedback Wrong choice Incorrect selection Correct option Wrong choice Solution Wrong (Feedback) Wrong (Feedback) Correct Option (Feedback) Wrong (Feedback) Question 9. If the two regression lines are perpendicular to each other, then Answers Option 1 r = 0 Option 2 r = -1 Option 3 r = +1 Option 4 r ≥ 1 Feedback Correct option Wrong choice Incorrect selection Wrong choice Solution Correct Option (Feedback) Wrong (Feedback) Wrong (Feedback) Wrong (Feedback) Question 10. If the regression lines are identical, then- Answers Option 1 r = 0 Option 2 r = +1 Option 3 r = -1 Option 4 Either r = +1 or r = -1 Feedback Wrong choice Incorrect selection Wrong choice Correct option Solution Wrong (Feedback) Wrong (Feedback) Wrong (Feedback) Correct Option (Feedback)

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