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Mathematics, 03.12.2019 23:31 Bashirar19

In simple regression analysis, if the correlation coefficient is a positive value, then select one:

a. the slope of the regression line must also be positive.

b. the least squares regression equation could have either a positive or a negative slope.

c. the y-intercept must also be a positive value.

d. the coefficient of determination can be either positive or negative, depending on the value of the slope.

e. the standard error of estimate can have either a positive or a negative value.

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