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anyanavicka [17]
4 years ago
9

For which data set is a linear regression most reasonable?

Mathematics
2 answers:
Anna007 [38]4 years ago
6 0

Answer:its c. a set of four data pairs with a correlation coefficient r__ -0.8

Step-by-step explanation:hope it helpedaint i the branliest

Gnesinka [82]4 years ago
4 0

Answer:

a set of four data pairs with a correlation coefficient r = –0.8

Explanation:

The correlation coefficient, or r value, tells us how well the regression model fits the data.  The r values range from -1 to 1, with -1 being a perfect fit of a negative trend and 1 being a perfect fit of a positive trend.  The closer the r value is to -1 or 1, the better the line fits; the closer the r value is to 0, the worse the fit.

Since the r value is -0.8, which is very close to 1 (think 80%), this means this would be a good candidate for linear regression.

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