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Butoxors [25]
3 years ago
11

Which of the following correlation coefficients would correspond to a strong linear relationship in a data set? a. 0 b. 7 c. 0.9

d. 0.4
Mathematics
1 answer:
ahrayia [7]3 years ago
5 0
<h3>Answer: c) 0.9</h3>

The correlation coefficient r is always between -1 and 1, inclusive of both endpoints. We can write -1 \le r \le 1

If r = 0, then we have no linear correlation at all. If r = 1, then we have perfect positive correlation. If r = -1, then we have perfect negative correlation.

We see that r = 0.9 is close to r = 1, so we have strong positive linear correlation going on here.

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