Question: Consider the four data sets shown below. (a) Compute the linear correlation coefcient for each data set. (b) Draw a scatter diagram for each data

Consider the four data sets shown below.

(a) Compute the linear correlation coefï¬cient for each data set.
(b) Draw a scatter diagram for each data set. Conclude that linear correlation coefï¬cients and scatter diagrams must be used together in any statistical analysis of bivariate data.

Data Set 1 Data Set t2 Data Set 3 Data Set 4 10 8.04 8 6.9 13 7.58 9 8.81 11 8.33 14 9.96 6 7.24 4 4.26 12 10.84 7 4.82 5 5.68 10 9.14 10 7.46 8 6.77 13 8.74 13 12.74 9 7.11 11 9.26 11 7.81 14 8.10 14 8.84 6 6.08 4 5.39 12 9.13 12 8.15 7 6.42 8 6.58 8 5.76 8 7.71 8 8.84 8 8.47 8 7.04 8 5.25 8 5.56 8 7.91 8 6.89 5 5.73 19 12.50 8 8.14 9 8.77 6 6.13 4 3.10 7 7.26 5 4.47

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a Data Set 1 x i y i x i 2 y i 2 x i y i 10 804 100 646416 8040 8 695 64 483025 5560 13 758 169 574564 9854 9 881 81 776161 7929 11 833 121 693889 916... View full answer

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