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If all the points in a scatter diagram lie on the regression line, then the coefficient of correlation must be: Select one: a. 0.0 b.

If all the points in a scatter diagram lie on the regression line, then the coefficient of correlation must be:

Select one:

a. 0.0b. 1.0c.square root of 2d. either 1.0 or 1.0

e. -1.0

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