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To discuss: The concept of
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Correlation is measure of linear association between two variables. The variables are said to be correlated when the change in one variable affects the other variable.
The
If two variables have a very strong positive relation, then the correlation value lies between .8 and 1. If two variables have a strong correlation, then correlation falls between .6 and .8. If two variables have a moderate positive relation, then the correlation value lies between .4 and .6. If two variables have a weak positive relation, then the correlation value lies between .2 and .4. And, if two variables have a very weak positive relation, then the correlation value lies between .0 and .2.
Similarly, if two variables have a very strong negative relation, then the correlation value lies between
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Chapter 13 Solutions
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