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MMLU / The regression analysis of question 20 indicated that "R-sq = 98.1%." Which of…

Problem

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question

The regression analysis of question 20 indicated that "R-sq = 98.1%." Which of the following is (are) true? I. There is a strong positive linear relationship between the explanatory and response variables. II. There is a strong negative linear relationship between the explanatory and response variables. III. About 98% of the variation in the response variable can be explained by the regression on the explanatory variable.

choices

  1. I and III only
  2. I or II only
  3. I or II (but not both) and III
  4. II and III only

subject

high_school_statistics

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