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Which of the following is the most accur...


Which of the following is the most accurate statement about the scatterplot above ?

A

The data in the scatterplot has a weak positive correlation.

B

The data in the scatterplot has a stong positive correlation.

C

The data in the scatterplot has a negative correlation.

D

There is no correlation in the data set.

Text Solution

Verified by Experts

The correct Answer is:
C

Since correlation is related to the best-fit kline, it is important to sketch one on the graph. Here's rough approximation:

A strong correlation means that the data points are closely gatherd around the line of best fit, a weak correlation means that the data points are farther from the line of best fit. The line of best fit has a definite negative slope, so eliminate (A) and (B) when there is no correlatin, the data set is distributed evently over the entire graph, but that is not the case here, so (D) can be eliminated as well. (C ) is correct.
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