Posted by **Fabi** on Friday, May 20, 2011 at 8:47pm.

Suppose the variable x is the number of minutes walked each week and the variable y is the blood cholesterol level given by the following table:

x y

31 290

60 278

90 259

120 238

150 219

Using the regression equation, predict cholesterol levels when walking is 175 minutes per week.

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