Question: 12 For the following data, a Calculate the correlation between X and Y . b Interpret the sign of the correlation. c Interpret the square

12 For the following data,

X Y 25 19 59 7 17 12 14 23 12 20

a Calculate the correlation between X and Y .
b Interpret the sign of the correlation.
c Interpret the square of the correlation.
d Plot the least-squares line.
e Test for a linear relationship:

9 25 8 13 26 28 20

X Y 25 19 59 7 17 12 14 23 12 20 9 25 8 13 26 28 20

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