Basics of Graphs and Analysis

The 2 variables seem to have...

• No correlation

• Positive correlation

• Negative correlation

The 2 variables seem to have...

• No correlation

• Positive correlation

• Negative correlation

The 2 variables seem to have...

• No correlation

• Positive correlation

• Negative correlation

__________ does not always equal causation. Just because 2 variables/data sets trend together, doesn't mean they are related in any way to one another.

Succeeds in showing change in a statistic/variable over a period of time.

• Circle/Pie Graph

• Line graph

• Bar graph

• Histogram

Good at showing data as part of the whole.

• Circle/Pie Graph

• Line graph

• Bar graph

• Histogram

Good at comparing different sets of data and data points.

• Circle/Pie Graph

• Line graph

• Bar graph

• Histogram

Independent Variable = ?

• Heart BPM (beats per minute)

• Time of exercise (in minutes)

• Untrained (non-athlete) Person Data

• Trained Athlete Data

Dependent Variable = ?

• Heart BPM (beats per minute)

• Time of exercise (in minutes)

• Untrained (non-athlete) Person Data

• Trained Athlete Data

How would you describe the correlation between time spent exercising and heart beats per minute?

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