Which of the following statements is NOT true about Pearson's product-moment correlation coefficient 'r'?

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Mathematics · Statistics

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Correct answer

'r' is a non-parametric measure used for nominal and ordinal scales.

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Answer 1

The value of 'r' can be artificially inflated if extreme outliers are present in the dataset.

Answer 2

The value of 'r' lies strictly between -1.0 and +1.0.

Answer 3

'r' is a non-parametric measure used for nominal and ordinal scales.

Answer 4

'r' is a measure of the degree to which two variables vary together linearly.

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