Question: How is a linear relationship between two variables measured in statistics? Explain. Select all the true statements. There are several numerical measures of correlation, called

How is a linear relationship between two variables measured in statistics? Explain. Select all the true statements.

  1. There are several numerical measures of correlation, called correlation coefficients.
  2. The correlation coefficient ranges from 1 to 1. Values closer to 0 show a strong linear relationship.
  3. The correlation coefficient ranges from 1 to 1. Values close to +1 or 1 show a strong linear relationship.
  4. If the values of x and y are interchanged, the correlation coefficient remains the same.
  5. The value of the coefficient is resistant to outliers.

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