define statistics what are its basic characteristics
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the practice or science of collecting and analysing numerical data in large quantities, especially for the purpose of inferring proportions in a whole from those in a representative sample is statistics.
Characteristics of statics are:-
- Statistics are aggregates of facts.
- Statistics are numerically expressed.
- Statistics are affected to a marked extent by multiplicity of causes.
- Statistics are enumerated or estimated according to a reasonable standard of accuracy.
- Statistics are collected for a predetermined purpose.
- Statistics are collected in a systemic manner.
- Statistics must be comparable to each other.
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