OpenStax, Introductory Statistics 2e §12.6 Outliers · Exercise 2 · Statistics · Regression & correlation
Outliers · Exercise 2
The scatter plot shows the relationship between hours spent studying and exam scores. The line shown is the calculated line of best fit. The correlation coefficient is 0.69.
A point is removed, and the line of best fit is recalculated. The new correlation coefficient is 0.98. Does the point appear to have been an outlier? Why?
This problem refers to a figure in its source book that isn't reproduced here.
OpenStax, Introductory Statistics 2e · §12.6 Outliers · Exercise 2
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