1-1 Day 2 Displaying quantitative variables

1-1 Day 2 Displaying quantitative variables - LESSON 1 1...

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EXPLORING DATA LESSON 1 – 1 Day 2 Displaying Distributions with Graphs Displaying quantitative variables
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What are the graphs that are used for organizing quantitative variables and how are they interpreted? Objectives : To organize quantitative data into dotplots, stemplots, and histograms. Essential Question:
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Warm up # 1 Page 11, problem 1.6 ACCIDENTAL DEATHS Make a pie chart for the data.
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Constructing a Dotplot Step 1 : Label your axis and title your graph. Draw a horizontal line and label it with the variable. Step 2 : Scale the axis based on the values of the variable. Step 3 : Mark a dot above the number on the horizontal axis corresponding to each data value.
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Distribution To describe the overall pattern of a distribution: Step 1: Give the center and the spread. (Divide observations in half for now.) Step 2 : See if the distribution has a simple shape that you can describe in a few words. ( State the smallest and largest data.)
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This note was uploaded on 05/25/2010 for the course MATH 1231 taught by Professor Dr.driscoll during the Spring '10 term at Clayton College of Natural Health.

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1-1 Day 2 Displaying quantitative variables - LESSON 1 1...

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