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2. Which of the following statements is true?(a) The correlation coefficient equals the proportion of times two variables lie on astraight line.(b) The correlation coefficient
2. Which of the following statements is true?(a) The correlation coefficient equals the proportion of times two variables lie on astraight line.(b) The correlation coefficient will be +1.0 only if all the data lie on a perfectlyhorizontal straight line.(c) The correlation coefficient measures the fraction of outliers that appear in a scatterplot.(d) The correlation coefficient is a unitless number and must always lie between 1.0and +1.0, inclusive.(e) None of the above statements is true.
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