STATISTICAL DATA

STATISTICAL DATA

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STATISTICAL DATA 

  1. Discrete Data

-Which is given in whole numbers e.g.

16 elephants

1093 tonnes of wheat

  1. Continuous Data

– Facts and figures which can take any value e.g.

  • Fractions e.g.23 ¼
  • Decimals e.g. 6.20 mm
  • Values within range e.g. 0-30◦c
  1. Grouped Data

– Which is non precise/exact but values range in groups e.g.

Sources of Statistical Data

  1. Primary Sources

-People or places which have 1st hand or original information.

The information can be collected by observation, measuring, counting, photographing etc.

Advantages

  • Give first hand information
  • The information cant be got from other sources
  1. Secondary sources

-Materials in which information collected by others was stored e.g. text books, reference books, etc.

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