4.20 Select the appropriate definition for each term on the lefthand side from the list on the right hand side.

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(a) A regression equation (b) A correlation coefficient (c) A moving average (d) An inverse relationship (e) A predictor (f) A response (g) A trend (h) A weighted price index (i) is another name for the dependent variable, Y (ii) is an underlying movement in a time series (iii) measures price changes over time (iv) is another name for the independent variable, X (v) is a mean of a sequence of time series values (vi) measures association between two variables (vii) is when Y goes down as X goes up (viii) represents the line of best fit