Question

For each of the data sets shown below, calculate r. (a)               (b)             (c) x    y   

For each of the data sets shown below, calculate r.

(a)               (b)             (c)

x    y             x y         x    y

1    6            1    2        1     7

2    7            2    1        2     6

3    5            3    4       3     5

4 4            4    3       4     4

5    3            5     7       5     3

6    1            6     5       6     2

7    2            7     6       7     1

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