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Big Ideas Math Integrated I, 2016

BI

Big Ideas Math Integrated I, 2016 View details

Chapter Review

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Exercise 15 Page 372

What is the difference between quantitative and qualitative data?

Qualitative

Practice makes perfect

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

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

Let's now consider our data set.

grade level of students in an elementary school

A grade level cannot be measured or numerically compared to other grades. Therefore, the data are qualitative.

Subchapter links

1 Measures of Center and Variation p.370

2 Box-and-Whisker Plots p.371

3 Shapes of Distributions p.371

4 Two-Way Tables p.372

5 Choosing a Data Display p.372