Lesson 11.3 Appropriate Data Displays

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Presentation transcript:

Lesson 11.3 Appropriate Data Displays Essential Question: How do you choose an appropriate display for a data set?

Before we start… What data display(s) shows a change in data over time? What data display(s) shows data in distinct categories? What data display(s) always places data in increasing order?

How do you choose an appropriate display for the data?

The table shows the results of a survey that asked students to name their favorite type of movie. Which data display(s) can you use to display the data?

The table shows the total United States population over several years The table shows the total United States population over several years. What type of data display would best represent the data?

You are given a list of numbers in no particular order You are given a list of numbers in no particular order. What data display would you use to organize the data in numerical order?

A bookstore sells eight different types of books A bookstore sells eight different types of books. Which data display(s) should be used to compare the number of each type of book in stock?

Bowling A professional bowler wants to display his scores for the year, without displaying individual data. What data display(s) should he use?

Test Scores A teacher uses a histogram and a box-and-whisker plot to display the test scores of the students in a math class. What are the advantages of each display?

Misleading Data Display You need to be able to identify potentially misleading data displays so that you interpret them correctly.

Is the graph potentially misleading? Explain.

Business The line graphs display a company’s expenses and profits for each year from 2000 to 2003. What is misleading about each data display?

How do you choose an appropriate display for a data set?

Ticket Out the Door What display would you use to determine how spread out data are?