STP 226 Lecture Notes - Lecture 3: Continuous Or Discrete Variable, Railways Act 1921, Upper Class
3 Sep 2015
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A _____________________________ is a characteristic that varies from one person or thing to another. A _________________________________________________ is a nonnumerically valued variable. (a categorical variable. ) A _________________________________________________ is a numerically valued variable. (cid:1) warning!! Variables with a qualitative value are sometimes coded with numbers. Chapter 2 lecture summary | page 1 variablequalitative variablequantitative variabletypes of quantitative variables: a _________________________________________________ is a quantitative variable whose possible values form some interval of numbers. The variable can take on infinitely many values: a _________________________________________________ is a quantitative variable whose possible values can be listed, even though the list may continue indefinitely. Each value can be graphed on a number line, with space between each point: think: a measurement vs. a count. _____________________________ is information obtained by observing values of a variable. Data can be classified as qualitative data, quantitative data, continuous data, or discrete data, depending on how it was obtained.
