chapter 16 study guide.docx

chapter 16 study guide.docx - Chapter 16 study page The 4...

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Chapter 16 study page The 4 levels of measurement - Nominal Measurement is the lowest level of measurement. Focuses on assigning numbers to mean categories. Sequential numbers does not mean “more”; 2 is not more than 1, just a different category. Treating blood types or gender as numerical values ( 1 is male, 2 is female) is an example of Nominal Measurement - Ordinal Measurement goes beyond Nominal measurement, and the categories are ordered. On a particular scale a 1 may be better than a 4, but we do not know how much better a 1 may be. A Braden scale is an Ordinal Measurement - Interval Measurement takes ordinal measurements and applies equal distance between the numbers. The measurements on a ruler are interval measurements - Ratio Measurement is an Interval Measurement with an absolute Zero. Weights are an example of a Ratio Measurement Frequency Distribution provides an order to data collection for analysis. A quantifiable value is arranged lowest to highest paired with the frequency of the event happening.
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