WHAT IS IT?

A graph showing the pairs of plotted values of two factors, one that is believed to be independent and the other dependent.

 

WHAT DOES IT LOOK LIKE?

Example Chart

WHEN IS IT USED

1. Do you want to test whether the performance of one factor is related to the performance of another?
2. Are the two factors:
   1. a quality characteristic (system performance measure) and a factor you suspect affects it, OR
   2. two related quality characteristics (system performance measure), OR
   3. two factors suspected of relating to the same quality characteristic (system performance measure)?

HOW IS IT MADE?

1. Draw and label the horizontal and vertical axes.
2. Scale each axis.
3. Plot the points.
4. Interpret the scatter diagram.

PRIMARY

INTERMEDIATE

Classroom Learning and Spirit Chart

JUNIOR HIGH

ADULT

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