OpenStax, Introductory Business Statistics 2e §13.1 The Correlation Coefficient r · Exercise 9 · Statistics · Regression & correlation

The Correlation Coefficient r · Exercise 9

What would you guess the value of the correlation coefficient to be for the pair of variables: "number of man-hours worked" and "number of units of work completed"?

(a) Approximately 0.9
(b) Approximately 0.4
(c) Approximately 0.0
(d) Approximately -0.4
(e) Approximately -0.9

~8 minWritten answer · compare with the solution

OpenStax, Introductory Business Statistics 2e · §13.1 The Correlation Coefficient r · Exercise 9

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