Consider the following pairs of points for the variables X nd Y. Which one of the following represents the number of degrees of freedom that would be used in a test of hypothesis that the slope of the regression line between Y and X is different from zero?
Homework Answers
n : number of pairs of data =10
number of degrees of freedom that would be used in a test of hypothesis that the slope of the regression line between Y and X is different from zero = n-2
Therefore,
Number of degrees of freedom = n-2 =10-2=8
Number of degrees of freedom = 8
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