When r2 = 0.80 what percentage of the variance on one variable is not predicted by...

Question

Question

When r² = 0.80 what percentage of the variance on one variable is not predicted by the other variable?

Select one:

a. 0%

b. 8%

c. 20%

d. 80%

Answer 1

Answer #1

Given that, coefficient of determination ( r²) = 0.80

That means 80% of the variance on one variable is explained by (accounted for) the other.

And 100% - 80% = 20% of the variance on one variable is not predicted by the other variable.

Answer: c) 20%

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Answer 2

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