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Gre4nikov [31]
4 years ago
13

Help Me! I don't understand this problem!

Mathematics
1 answer:
alex41 [277]4 years ago
8 0
<h3>Answer: A) -0.83</h3>

Without the actual numeric data coordinates, it is impossible to compute the true r value. Though we can estimate. The data points are negatively correlated in a fairly strong manner. We can draw a straight line close to all of these points, so the r value is going to be fairly close to -1. The closer r is to -1, the stronger the negative correlation. Having r = -1 exactly means all of the points fall on some single straight line that slopes downward.

Choice B is the next best choice, but its correlation isn't as strong. So that's why I ruled it out. Choices C and D are ruled out immediately since they are positive values.

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