Paper I · 10 Data Analysis · 10.1 Basic statistics and growth rates

10.1.1 Mean, median and mode: raw and grouped data

The mean is the total shared equally, the median is the middle value after sorting, and the mode is the most frequent value; for grouped data each has its own formula built on the class width.

  • APPSC Paper I · Paper I
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Key terms

  • central tendency
  • arithmetic mean
  • frequency table
  • median
  • mode
  • grouped data
  • class mark
  • cumulative frequency
  • median class
  • modal class
  • empirical relation
  • missing frequency

What this note covers

  1. Core factsFoundation
  2. ExplainedStandard
  3. DeeperAdvanced
  4. Common trapsFoundation
  5. Quick revisionFoundation

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