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4 cards from this section. Quick, good the night before a test.
What is the range of values for a correlation coefficient?
Think about the extremes of correlation.
Is the Step Deviation Method used to simplify calculation?
Consider why we might transform data.
What does a correlation coefficient of +1 indicate?
Think about the strongest possible relationship.
True or False: The Step Deviation Method implies that higher values lead to false correlations.
Consider the purpose of the Step Deviation Method.
Given the data set X = [10, 20, 30] and Y = [5, 10, 15], compute the correlation coefficient using the Step Deviation Method.
Write down transformation steps clearly.
Discuss how changing the mean in the Step Deviation Method could impact your results.
Consider why the relationship remains intact.
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