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STATISTICAL DATA

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.

 

See also

BUSH FALLOWING IN WEST AFRICA

MINING

MINERALS IN EAST AFRICA

PROBLEMS ENCOUNTERED IN FIELD WORK

MINERALS AND ROCKS

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