Question: (a) The following have been prepared so that data sets B through D are slightly modified versions of data set A. Make scatter diagrams and

(a) The following have been prepared so that data sets B through D are slightly modified versions of data set A. Make scatter diagrams and figure the correlation coefficients for each data set.

(b) Discuss how and why the correlations change.

Data Set Data Set Data Set Data Set A B C D

Data Set Data Set Data Set Data Set A B C D X Y X Y X Y X Y 1 1 1 1 15 1 1 22 22 22 24 3 3 3 3 3 3 3 3 44 45 4 4 4 2 55 5 4 51 55

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