Measures of Central Tendency Mind Map
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Visual Mind Map & Concept Tree (English)
Structured concept hierarchy, subtopic relationships, and exam revision tree.
Measures of Central Tendency
- Introduction
- Definition of Central Tendency
- Objectives and functions
- Characteristics of a good average
- Arithmetic Mean
- Types
- Direct Method
- Assumed Mean Method
- Step-Deviation Method
- Series types
- Individual Series
- Discrete Series
- Continuous Series
- Special Means
- Combined Mean
- Corrected Mean
- Weighted Average Mean
- Types
- Median
- Definition and concept
- Calculation methods
- Individual Series ($N+1 / 2$)
- Discrete Series
- Continuous Series (Interpolation formula)
- Partition Values
- Quartiles ($Q_1, Q_3$)
- Deciles ($D_1$ to $D_9$)
- Percentiles ($P_1$ to $P_99$)
- Graphical location using Ogive curves
- Mode
- Definition and concept
- Methods of determination
- Inspection Method
- Grouping Table Method
- Analysis Table Method
- Continuous Series formula
- Relationship between Mean, Median, and Mode (Empirical Relationship)
- Comparison and Choice of Averages
- Merits and demerits of Mean
- Merits and demerits of Median
- Merits and demerits of Mode
- Suitability of each average for different types of data