MAHARASHTRA Class 9 Maths Statistics
Measures of Central Tendency
Median is the value of the middle - most observation. If the number of observations n is odd, then the median is the value of the (n + 1)/2observation.
If n is even then median is the avegrage of n/2 and (n/2 + 1) observation
Mode is the value of that variety which has the maximum frequency.Classification and Tabulation of Data
Classification and tabulation of dataBar Diagrams
Bar Diagrams
