The linear equation fitted using the data of 7 weeks for a variab… - Vidyadip

Question

The linear equation fitted using the data of 7 weeks for a variable y is $\hat{y}=25.1-1.5t.$ Estimate the value of y for the eighth week.

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Answer

For the eighth week, put $t = 8$ :
$\hat{y} = 25.1 - 1.5(8) = 25.1 - 12 = 13.1$.

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