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Section 1.3
Types of Data_Probability & Statistics - Math 1530
Term | Definition |
---|---|
Parameter | a numerical measurement describing some characteristic of a population |
Statistic | a numerical measurement describing some characteristic of a sample |
Quantitative Data | It is also known as numerical data; consists of numbers representing counts or measurements. Ex: ages of respondents or weights of supermodels |
Categorical Data | It is also known as qualitative or attribute data. Consists of names or labels (representing categories). Ex: gender or professional athletes or numbers on jerseys. |
Discrete Data | Result when the number of a possible values is either a finite number or a 'countable' number. Ex: the number of eggs that a hen lays. |
Continuous Data | It is also known as numerical data. Result from infinitely many possible values that correspond to some continous scale that covers range of values without gaps, interruptions, or jumps. Ex: The amount of mile that a cow produces; e.g. 2.32413425. |