Economics

1. This cannot be determined graphically
3. When two variables move in the same direction, then such a correlation is called
5. Coefficient of Variation was introduced by
11. It is a statistical device for measuring changes in the magnitude of a group of related variables
12. this type of index number measures the general changes in prices between the current year and the base year
13. The numerical value of a standard deviation can never be
14. It is the central value which represents the entire distribution
15. It is also known as cost of living index numbers
16. It divides the distribution into hundred equal parts
18. Base year is also known as
19. The aggregate index formula using base period quantities is known as

2. In order to save time in calculating mean from a data set containing a large number of observations, this is used
4. The square of the standard deviations
6. It is the most frequently observed data value
7. When only two variables are studied, then such a correlation is called
8. This indicates lack of uniformity in the size of items
9. It concentrates on the centre of a distribution
10. The correlation coefficient will be -1 if the slope of the straight line in a scatter diagram is
16. The symbol 'r' is a
17. The relationship between two variables of a series so that changes in the values of one variable are associated with changes in the values of the other variable