Simpson's Paradox Refers to the Fact That

question 43

Multiple Choice

Simpson's paradox refers to the fact that

• A) the direction of an association can reverse when we separate the data by the values of a third variable.
• B) high correlation may not involve any cause-and-effect link between the variables.
• C) the mean of a group of observations can be larger than all but one or two of the observations.
• D) variables with a very strong curved relationship can have a correlation near zero.

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