# Week 5_Discussion_3.docx - Week 5: Discussion (Associative...

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Week 5: Discussion (Associative Statistics)Week 5: Discussion -IntervalExample question:How many patients were seen in the emergency department onNovember 21, 2022?Nominal scalesrepresent the most basic level of measurement. A nominal scaleassigns a value to an object for identification or classification purposes only. Afrequency or percentage is used to summarize nominal data. The value can be anumber, because no quantities are being represented. In this sense, a nominal scale istruly a qualitative scale. Nominal scales are extremely useful and are sometimes theonly appropriate measure. Nominal data can be displayed as a pie chart, column or barchart, or stacked column or bar chart.Ordinal scalesallow things to be arranged in order based on how much of someconcept they possess. In other words, an ordinal scale is a ranking scale. Ordinalvariables have a meaningful order, but the intervals between the values in the scale maynot be equal. Ordinal data is best displayed as a column or bar chart.

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Term
Spring
Professor
Sundamarthy
Tags