One Variable vs. Two Variable Data

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# One Variable vs. Two Variable Data - PowerPoint PPT Presentation

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.

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## One Variable vs. Two Variable Data

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### One Variable vs. Two Variable Data

One Variable Data

One-variable data sets give measures of ONE ATTRIBUTE.

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.

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.

As population of a city increases,

decreases.

As temperature increases,

increases.