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Which of the following statements is true for an outlier? It is a data point that is below Q1 - 1.5 x IQR or above

Which of the following statements is true for an outlier?

It is a data point that is below Q1 - 1.5 x IQR or above Q3 + 1.5 x IQR.

It is a data point that is below or above Q3 1.5 x IQR.

It is a data point that is between Q1 + 1.5 x IQR and Q3 - 1.5 x IQR.

It is a data point that is below or above Q1 1.5 x IQR.

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