Consider all the married couples in the world. Which of the following do you think is true regarding the association between wife’s age and husband’s age? Pick the best option. The association is negative as wives tend to be younger than their husbands. The association is positive as husbands tend to be older than their wives. The association is positive as older couples consist of older wives and older husbands. The association is negative as more recently married couples are in general younger than those who were married some time ago.
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Positive correlation: |dw:1363769943250:dw| Negative correlation: |dw:1363769961651:dw|
Which do you think is correct and why? @singh_anand
Consider two variables X and Y. If large values of X tend to occur with large values of Y, and small values of X with small values of Y the variables are said to be positively associated.
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