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Back to 13.1 The Correlation Coefficient r

13.1 Exercise 3

Avg difficulty 2.5

If the correlation between age of an auto and money spent for repairs is +.90

  1. 81% of the variation in the money spent for repairs is explained by the age of the auto
  2. 81% of money spent for repairs is unexplained by the age of the auto
  3. 90% of the money spent for repairs is explained by the age of the auto
  4. none of the above

OpenStax Introductory Business Statistics 2e, 13.1 The Correlation Coefficient r, exercise 3

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Adapted from Introductory Business Statistics 2e © 2023 Rice University. Licensed under CC BY 4.0. Source: Introductory Business Statistics 2e. Imported at revision 50ec917.