Chester used the regression equation of the weight loss plan to make a prediction within the given data range.
Complete his work to calculate the number of weekly hours of aerobic activity needed for a monthly weight loss of 3
pounds. Round to the nearest hundredth.
1. Regression equation:
7 = 1.1787 + 0 71
2.
3.
Substitute 3 for y:
3 = 1.178x+0.71
Subtract 0.71 from both sides: 2.29 = 1.178x
4. Divide both sides by 1.178:
8:
2.29 1.178
Tize = 1479 x
1.178 - 1.178*
About
hours of weekly aerobic activity will result in 3 pounds of monthly weight loss.
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