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S1 Topic 4: Correlation and regression
Values of the PMCC backmore
Move the pointer over the scale of values of Pearson's product moment correlation coefficient (the pmcc) to see a scatter graph to illustrate it.

scatter diagram
 -1.0  -0.9      -0.8   -0.7 -0.6  -0.5 -0.4 -0.3 -0.2 -0.1  0  0.1 0.2 0.3 0.4 0.5    0.6   0.7     0.8    0.9    1.0  
Very strong Strong Moderate Weak Moderate Strong Very strong

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