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March 28, 2015

March 28, 2015

Posted by **sharon** on Sunday, August 22, 2010 at 12:04am.

x 5.75 6.00 6.75 7.25 7.50

y 61 41 62 81 98

r=0.855

x-bar=6.65

~y68.6

y=-93.145+24-323x

what percentage of the variation in y cannot be explained by the corresponding variation in x and the least-squares line?

(Points: 4)

2.1%

7.2%

26.9%

73.1%

85.5%

- statistics -
**MathGuru**, Sunday, August 22, 2010 at 8:14amYou wish to find the coefficient of nondetermination, which is the percentage of the variation in y that cannot be explained by the corresponding variation in x.

Formula: 1 - r^2

I'll let you take it from here. Convert the decimal to a percentage for your answer.

- statistics -
**Anonymous**, Tuesday, November 16, 2010 at 7:00pm0.945

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