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Statistics, Data Classification - Coggle Diagram

- - - - Population
        
        The collection of ALL outcomes, responses, measurements, or counts that are of interest
        
        Parameter
        
        A number that describes a population characteristic
      - Sample
        
        A subset of the population
        
        Statistic
        
        A number that describes a sample characteristic
- - - - Descriptive Statistics
        
        Involves organizing, summarizing, and displaying data
      - Inferential Statistics
        
        Involves using sample data to draw conclusions about a population
- - - - Select the sample respondents based on certain criteria laid down by the researcher
    - - Samples are selected using quota system
    - - The researcher picks his sample respondents from the population that he finds convenient to interview due to their availability or accesability
    - - Divide the population into groups (clusters) and select all of the members in one or more, but not all, of the clusters
- - - - Classification
        
        Continuous data
        
        numerical responses that arise from a measurement process
        
        Discrete data
        
        These are numerical responses that arise from a counting process