A study to determine the correlation between bank deposits and consumer price indices in Birmingham, Alabama, revealed the following (which was based on n = 5 years of data):

a) What is the equation of the least-squares regression line?
b) Find the coefficient of correlation. What does it imply to you?
c) What is the standard error of the estimate?

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. . ● Er Σ.Χ = 15 Σχι = 55 Σxy = 70 2y= 20 2y2 = 130