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Suppose a property agency has collected the following information of all flats in its district: rent ( Y ) and distance ( X ) from

Suppose a property agency has collected the following information of all flats in its district: rent (Y) and distance (X) from the nearest railway station.It is found that y = a bx.What is the correlation coefficient of rent and distance? Please Derive.

dear, please help this question with clear steps and thinking, thank you so much.

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