Economic class 11 Of Central Tendency – Arithmetic Mean

1. The single value which represents the entire universe is called

2. In calculation of…………, all items are given equal importance.

3. Measure of central tendency ;

4. The arithmetic mean of 3 number is 30. If is added to every observation, the new mean would be ;

5. The algebraic sum of deviation of a set of n value from arithmetic mean is ;

6. Weighted mean is …………simple arithmetic mean when equal weights are given to all the items in the series.

7. Arithmetic mean is most widely used measure of central tendency because it is

8. Commonly used averages are ;