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Stats Module 1 - Coggle Diagram
Stats Module 1
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Terms and Concepts
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Variable = attribute of the element as observed. Example People wearing t shirts = 10, where in 5 are red, 5 are blue
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Functions of Stats
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- Relationship between facts
- Facilitates Policy formulation
Data
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Types
Primary
Date SPECIFICALLY collected for the investigation at hand, under control and supervision of the investigator
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Collection Methods
Primary Data Collection
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- Questionnaire with Personal Interview
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Science or Art
Science
is systematic body of knowledge . It studies cause and effect relationship and attempts to make generalisation in the form of scientific principles or laws.
Art
Is skill of handling facts so as top achieve a given objective. It is way of presenting and handling data making inference logically and draw relevant conclusions
Types of Stats
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Inferential
use certain sample to generalise the population from which the sample were taken #
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