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Statistic - Coggle Diagram
Statistic
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Meanings :
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2) Field / discipline of study
- Methods used to collect, analyze, present and interpret data and to make decisions
Types :
1) Descriptive Statistics
- methods for organizing , displaying & describing data
- using tables, graphs, & summary measures
2) Inferential Statistics
- use information gathered from sample
Population vs Sample :
1) Census - A survey that includes every member of the population
2) Sample survey - A technique of collecting information from a portion of the population
1) Population
- Consists of all elements
- Also known as the "target population"
2) Sample
- A portion of the populaction selected
Type of Variables :
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2 ) Qualitative / Categorical
- e.g : gender, religion, social class, hair colour .....
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Basic Terms :
1) Elements
- A specific subject in which information is collected
( students marks, selling price of individual Persian cats )
2) Variable
- The character understudy that carries different values
( no of hours of study, Narks, Profit, Gender )
3) Observation / Measurement
- The value of variable for an elements
4) Data
- A series / collection of observations or measurement on one or more variables