Which of the following points is most likely a high-leverage point with respect to a regression of monthly sales versus advertis
ing dollars?
O (6.0,125)
O (5.1,105)
O (6.7.108
O (5.8.110)
O (6.8,123)
O (6.0,125)
O (5.1,105)
O (6.7.108
O (5.8.110)
O (6.8,123)
1 answer:
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<u>Given:</u>
Take west to be the positive direction. The height of a sloped roof above the place where you stand is 12 feet. If you move 3 feet west, the height is 10 feet.
We need to determine the slope.
Let x denote the standing place.
Let y denote the height.
Writing the given as coordinates, we get;
(0,12) and (3,10)
<u>Slope</u>:
The slope can be determined using the formula,
Substituting the coordinates (0,12) and (3,10), we have;
Thus, the slope is