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Big Ideas Math Integrated I, 2016

BI

Big Ideas Math Integrated I, 2016 View details

5. Choosing a Data Display

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Exercise 2 Page 364

What is the difference between quantitative and qualitative data?

Quantitative

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Before classifying the data as qualitative or quantitative, let's recall the definitions of these classifications.

	Types of Data	Description
Can It Be Measured?	Qualitative	Describes a category and cannot be measured or numerically compared.
Can It Be Measured?	Quantitative	Has units and can be measured and numerically compared.

Let's now consider our data set.

ages of patients at a hospital

The age of a patient is a numerical quantity. It can be measured and numerically compared to other ages. Therefore, the data are quantitative.

Subchapter links

Communicate Your Answer p.363

Monitoring Progress p.364-366

Exercises p.367-368