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MMLU-Pro / 8337 / Suppose there is a correlation of r = 0.9 between number of hours per day…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

Suppose there is a correlation of r = 0.9 between number of hours per day students study and GPAs. Which of the following is a reasonable conclusion?

category

math

options

  1. 90% of the variation in number of study hours per day can be explained by variation in GPAs.
  2. If a student studies less, their GPA will always decrease.
  3. 90% of students who study receive high grades.
  4. 81% of the variation in GPAs can be explained by variation in number of study hours per day.
  5. The correlation between number of hours studied per day and GPA is not significant.
  6. 81% of students who study receive high grades.
  7. 90% of students who study a lot receive low grades.
  8. 90% of the variation in GPAs can be explained by variation in number of study hours per day.
  9. If a student studies more, their GPA will always increase.
  10. 90% of students who receive high grades study a lot.

src

ori_mmlu-high_school_statistics

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