STATISTICAL DATA Discrete Data -Which is given in whole numbers e.g. 16 elephants 1093 tonnes of wheat 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 Grouped Data – Which is non precise/exact but values range in groups e.g. […]
METHODS OF COLLECTING DATA (STATISTICAL TECHNIQUES) Observation -Use of eyes to observe features or weather then information is recorded immediately e.g. cloud cover, rocks, soil, land forms, vegetation, etc. Advantages Gives 1st hand information which is reliable. Relevant material to the study is collected. Time saving since one doesn’t have to look for data in many
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STATISTICS Statistics – numerical figures collected systematically and arranged for a particular purpose. Statistical data-information presented inform of numbers e.g. No. of students in a school Mean daily temperature of a place Amount of milk produced daily from a farm Amount of money earned from exports annually. Statistical methods-techniques of collecting, recording, analyzing, presenting and interpreting