Formulas for r in the textbook use the standard deviation, S.
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Q17: The regression coefficient, b, tells where the
Q18: There is a strong negative correlation between
Q19: The coefficient of determination is the square
Q20: A scatterplot is a graph of a
Q21: The numerator of the definitional formula of
Q23: Large correlation coefficients indicate a high probability
Q24: Your textbook said that truncating the range
Q25: If a bivariate distribution is not linear,
Q26: The number of regression lines for a
Q27: The regression coefficient, a, gives the slope
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