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Business, 26.10.2019 00:43 niti1409

The correlation coefficient (r) between the number of volunteers x and the number of bags of trash collected y is 0.654. what percent of the variation in the number of bags of trash collected can be explained by differences in the number of volunteers?
a.42.8%
b.34.6%
c.57.2%
d.65.4%

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