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Constant And variables

# Constant And variables - numbers and category designations...

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Constant A characteristic or property that does not change from individual to individual. Variable A characteristic or property that varies from individual to individual. Types of Variables Qualitative Quantitative Discrete Continuous Qualitative Variables assign a categorical (non-numerical) value to each individual or object. (Examples: gender, eye color, ethnic origin, nationality etc.) Quantitative variable assigns a numerical value to each object. (Examples: age, blood pressure, income, height, weight etc.) Discrete Variable: A variable that is expressed in whole units or mutually exclusive categories. Whole

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Unformatted text preview: numbers and category designations such as sex and marital status are examples of discrete data e.g. The number of customers that enter a store on a given day is an example of discrete variable, like wise customers can not be 5.4 or 2.28 in number. Continuous Variable: A variable for which it is possible to find an intermediate value between any two values. Continuous variables can be refined by more precise values. Length, weight, and time, and the points on a line are continuous variables....
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