The sum of deviations taken from mean is:
AAlways equal to zero
BSome times equal to zero
CNever equal to zero
DNone of the above
AAlways equal to zero
BSome times equal to zero
CNever equal to zero
DNone of the above
Related Questions:
A histogram is to be drawn for the following frequency distribution
Class Interval | 5-10 | 10-15 | 15-25 | 25-45 | 45-75 |
Frequency | 6 | 12 | 10 | 8 | 15 |
The adjusted frequency for class interval 15 - 25 will be :