A set of n = 5 ordered pairs has the following sums: ∑ x = 37 ∑ x 2 = 299 ∑ y = 38 ∑ y 2 = 310 ∑ x y = 279 a. Find the line of best fit. b. Predict the value of y when x = 5 . c. Find the coefficient of linear correlation . d. Are the predictions in parts ( b ) and ( c ) reliable? Why or Why not?
A set of n = 5 ordered pairs has the following sums: ∑ x = 37 ∑ x 2 = 299 ∑ y = 38 ∑ y 2 = 310 ∑ x y = 279 a. Find the line of best fit. b. Predict the value of y when x = 5 . c. Find the coefficient of linear correlation . d. Are the predictions in parts ( b ) and ( c ) reliable? Why or Why not?
Solution Summary: The author explains how the line of best fit is y=-0.087x+8.246.
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