Question: The formulas for finding the slope and the y-intercept of the line of best fit use both summations s, and sums of squares, SS( )s.

The formulas for finding the slope and the y-intercept of the line of best fit use both summations ’s, and sums of squares, SS( )’s. It is important to know the difference. In reference to Example
3.5 (p. 138):
a. Find three pairs of values: _x2, SS(x); _y2, SS(y); and _xy, SS(xy).
b. Explain the difference between the numbers for each pair of numbers.

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a x 13717 SSx 13969 y 15298 SSy 8580 xy 14... View full answer

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