A scatter plot is a useful tool to examine the data before conducting correlation analysis.
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Q18: Which one of the following statements is
Q19: An assumption of regression analysis is homoscedasticity,
Q20: The percentage of the variation in selling
Q21: The correlation coefficient measures the percentage of
Q22: The size of the sample is _.
A)8
B)6
C)5
D)7
Q24: The formula for the equation describing
Q25: Which one of the following statements is
Q26: The least squares method is a mathematical
Q27: The _ is used to test the
Q28: If two variables have a correlation coefficient
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