A systematic relationship between two variables in which a change in one implies a corresponding change in the other is called covariance.
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Q1: Regression analysis is concerned with the nature
Q7: The r² statistic measures the proportion of
Q7: The covariance may be either positive or
Q8: Regression analysis is a statistical procedure for
Q9: When r = 0,this means that X
Q11: According to the text,a scatter diagram is
Q12: A scatter diagram is a plot of
Q13: Both r and r² are symmetric measures
Q14: The final step involved in conducting bivariate
Q15: The test statistic for evaluating the null
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