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Which answer is the best estimate of the residual value when x = 5? −1.5 −0.5 0.5 1.5

Which answer is the best estimate of the residual value when x = 5? −1.5 −0.5 0.5 1.5-example-1

2 Answers

2 votes

I took the test, (for this particular graph) it was -1.5.

User Soroosh
by
8.0k points
4 votes

Answer:

The correct option is 1.

Explanation:

The formula for residual value is


\text{Residual Value = Observed Value - Estimated value}

In the given graph points represents the observed value and the line represents the expected or estimated value.

From the given graph it is clear that the observed value at x=5 is 5.5 and the estimated value at x=5 is 7.


\text{Residual Value}=5.5-7


\text{Residual Value}=-1.5

The residual value is -1.5, therefore the correct option is 1.

User Katrpilar
by
8.0k points

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