Practice Quiz

Lean Bronze

Category - Continuous Improvement

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The strength and direction of a correlation are defined and measured by the correlation coefficient (r). Which of the following choices is NOT included in the possible values for correlation?
  1. 0 indicates absolute correlation.
  2. 1 indicates a perfect positive correlation.
  3. -1 indicates a perfect negative correlation.
  4. 0 indicates no correlation.
Explanation
Answer: A - The strength and direction of a correlation are defined and measured by the correlation coefficient (r). With the given choices, “0 indicates absolute correlation” is NOT included in the possible values for correlation. Zero does not indicate absolute correlation. The possible values for correlation include 0 indicates no correlation, 1 indicates a perfect positive correlation, and -1 indicates a perfect negative correlation. The value of r will always fall between -1 and 1.
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