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Use the following 5 pairs of data points to manually calculate the slope (m), Y-intercept (b) and regression (r) using the least-squares formulas. X Y

Use the following 5 pairs of data points to manually calculate the slope (m), Y-intercept (b) and regression (r) using the least-squares formulas.

X Y

47 23

63 29

67 17

70 26

72 30

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