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One Variable vs. Two Variable Data. One Variable Data One-variable data sets give measures of ONE ATTRIBUTE.

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Presentation on theme: "One Variable vs. Two Variable Data. One Variable Data One-variable data sets give measures of ONE ATTRIBUTE."— Presentation transcript:

1 One Variable vs. Two Variable Data

2 One Variable Data One-variable data sets give measures of ONE ATTRIBUTE.

3 Some Examples…….

4 You can recognize one-variable situations when you see:  Tally charts  Frequency tables  Bar graphs  Histograms  Pictographs  Circle graphs

5 Two Variable Data Two-variable data sets give measures of two attributes for each item in a sample.

6 Some Examples…….

7 You can recognize two-variable situations when you see…..  Ordered pairs  Scatter plots  Two-column tables of values

8 One OR Two Variable Data?  Noah researches annual hours of sunshine in Canadian cities  A study compared the length of time children spend playing video games and the time they spend reading

9 Fill in the blanks…… As population of a city increases, increases. As population of a city increases, decreases. As temperature increases, increases.


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