Q
Galton introduced the idea of correlation (or co-relation) and showed which of the following to be true?
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A
A. A correlation of -1 indicates that there is no relationship between the two variables being considered.
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B
B. Correlations should only be used with variables that are normally distributed.
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C
C. If variable a (e.g. height) shows a correlation with variable b (e.g. weight) of +10, then we know that a caused
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D
D. Iq was correlated with job performance.
Correct Answer:
B. B. Correlations should only be used with variables that are normally distributed.
