In the calculation of the equation of a regression line, does it matter which variable is the

1. In the calculation of the equation of a regression line, does it matter which variable is the x or independent variable, and which is the y or dependent variable? Try the below example 2 from page 501 and report back.

x	29.7	29.7	31.4	31.8	27.6
y	175.3	177.8	185.4	175.3	172.7

2. Explain the 2. Don't confuse the linear correlation coefficient r, with the coefficient of determination r². what is the difference

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