Question

Refer to Exercise 11.54. Delete the data value x = 65.0, y = 110.0 from the data set.
a. Refit the regression line, and compare the slope of the line with and without the data value x = 65.0, y = 110.0 in the set.
b. Compute the two forms of the correlation coefficient, and compare their values.
c. Is the Spearman rank correlation coefficient less or more affected by an extreme value compared to the standard correlation coefficient?
In exercise


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  • CreatedNovember 21, 2015
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