132842

D 12089 (Pages : 3) 71877೮1138 ........... casesasses

THIRD SEMESTER (CBCSS—UG) DEGREE EXAMINATION
NOVEMBER 2021
Economics
ECO 3B 03—QUANTITATIVE METHODS FOR ECONOMIC ANALYSIS—I
(2019—2020 Admissions)
Time : Two Hours and a Half Maximum : 80 Marks
Section A (Short Answer Questions)

Answer at least ten questions.

Each question carries 3 marks.

All questions can be attended.
Overall Ceiling 30.

1. What is Rectangular hyperbola ?

2. Define the concept of : (i) Zero Exponent ; and (ii) Negative Exponent.
3. Find the number of digits in 61°.

4. What is Rank of a Matrix ?

5. Find A+Bfor A=| 2 2 னி கித்‌ ` 2
. Fin டித்து. 1 Sy 3 _s\

6. Define Determinant.

7. Briefly explain the two graphic representations of frequency distributions.

५४८५६)

9. What is Gini Co-efficient ?
10. Find the range of the set 5, 3, 8, 4, 7, 6, 12, 4, 3.
11. What is Karl Pearson’s Co-efficient of Correlation ?

12. What are the important properties of Arithmetic mean ?

Turn over

132842