One Variable vs. Two Variable Data

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Presentation transcript:

One Variable vs. Two Variable Data

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

Some Examples…….

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

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

Some Examples…….

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

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

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