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chocolate1294
17.11.2019 •
Mathematics
Given the line of the best fit for a set of data points with equation y=-5x-2.5 what is the residual for the point (3,6)
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Ответ:
The residual of the point
in the equation
is ![= 23.5](/tpl/images/0378/2683/f20b6.png)
Step-by-step explanation:
We have been given point
where
.
Now the equation is
.
Plugging the value of
in the equation of
,
we have to find the predicted value of y and
.
So y predicted
.
To find the residual point we have to subtract the actual value from the predicted value.
As actual value of
along with the points
.
Residual point = Actual value - Predicted value.
So the residual for the point
is
.
Ответ:
This question is a bit strange,
I assume the ratios are Students:Pets, which if this is the case, the ratios are:
16:18 (Simplifies to 8:9)
240:560 (Simplifies to 3:7)