The Correlation Coefficient r · Exercise 7
Under a "scatter diagram" there is a notation that the coefficient of correlation is.10. What does this mean?
(a) plus and minus 10% from the means includes about 68% of the cases
(b) one-tenth of the variance of one variable is shared with the other variable
(c) one-tenth of one variable is caused by the other variable
(d) on a scale from -1 to +1, the degree of linear relationship between the two variables is +.10
OpenStax, Introductory Business Statistics 2e · §13.1 The Correlation Coefficient r · Exercise 7
No hints for this one.
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