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Which one of the following is true? a. In a linear regression model, testing whether the slope of the population regression line could be zero
Which one of the following is true?
a.
In a linear regression model, testing whether the slope of the population regression line could be zero is the same as testing whether or not the population coefficient of correlation equals zero.
b.
None of the suggested answers are correct
c.
If you double each entry on a set of data values, that doubles the variance.
d.
The area under the normal curve outside -1.5 to 1.5 is 0.1336
e.
If the coefficient of determination is 1.0, then the coefficient of correlation must be 1.0.
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