Class 11 NCERT • Statistics for Economics (New Syllabus)
Economics Ch: Measures of Central Tendency
Select a topic or study module below to explore arithmetic mean, median, mode, geometric mean, harmonic mean, positional averages, properties of good measures, and comprehensive statistical problem-solving solutions.
Topic 01 • Central Tendency Basics
Exploring Purpose of Averages, Ideal Characteristics, Summary Statistics, and Data Representation
Topic 02 • Arithmetic Mean
Analyzing Direct Method, Assumed Mean Method, Step Deviation Method, and Weighted Arithmetic Mean
Topic 03 • Median Calculation
Studying Positional Value, Cumulative Frequency Curves, Quartiles, Deciles, and Percentiles
Topic 04 • Mode and Bimodal Series
Investigating Maximum Frequency Item, Grouping Tables, Analysis Tables, and Histogram Locations
Topic 05 • GM and HM
Examining Ratio Calculations, Growth Rate Averaging, Speed Rates, and Special Purpose Means
Topic 06 • Comparing Averages
Analyzing Impact of Extreme Values, Algebraic Treatment Ease, and Choosing the Right Measure
Topic 07 • Symmetrical Distributions
Studying Empirical Relations (Mode = 3 Median – 2 Mean), Skewness, and Asymmetrical Series
Module 08 • Solutions & Quiz