ConcettaW174196 ConcettaW174196

25-10-2022
Mathematics

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Least squares regression line is y=4x-8 what is the best predicted value for y given x =7?

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AboubakarE9546 AboubakarE9546

25-10-2022

We have a regression model to predict y from the value of x.

The equation of this regression line is:

[tex]y=4x-8[/tex]

We then can calculate y for x = 7 as:

[tex]y(7)=4(7)-8=28-8=20[/tex]

Answer: the predicted value of y when x = 7 is y(7) = 20

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