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16. A study took a random sample of ten married couples and asked the husband's and

wife's age. The scatterplot shows the association between the ages of the husbands and
wives. Not surprisingly, older husbands tend to have older wives, so the data has a
positive linear association. A researcher finds that the least squares regression equation
for this relationship is ý = 0.89x + 2.62.

User FreshPow
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The least squares regression equation for the relationship between the ages of the husbands and wives is y = 0.89x + 2.62.
User Keely
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