1 year ago

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Mathematics

1 answer:

Scilla [17]1 year ago

3 0

Answer:

Step-by-step explanation:

find 60 on the y axis (for maths) then draw a line to where it meets the line, and see what value it gives. it gives us 48

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A linear regression is done on data the line of best fit is y= 1.25x-6.25. What is the residual for the point (1,1)?

Damm [24]

Answer:

Step-by-step explanation:

Find the predicted y value when x=1:

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Find the residual:

$\text{Residual}=\text{Actual Value}-\text{Predicted Value}\\\text{Residual}=y-\hat{y}\\\text{Residual}=1-(-5)\\\text{Residual}=1+5\\\text{Residual}=6$

Because our residual is positive, this is an indicator that our predicted y value is too low.

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Step-by-step explanation

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andrey2020 [161]

Answer:

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Step-by-step explanation:

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