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For the data set below (a) Determine the least-squares regression line. (b) Graph the least-squares regression line on the scatter diagram. x 4 5 6 7 9 y 710 8 14 17 (a) Determine the least-squares regression line. (Round to four decimal places as needed.)
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Answer #1

First find the mean of X and Y  & regression coefficient

then find the regression equation

Selution 2 fhem the iven data 2-0135 The Regtession line g-11-2- 2、0135 (2-6-2) g 2-013SX-12-4832 t l1-2- byxy x2y2 49 16 25 b) Scatter ploty 2.0135x-12818 10 50 48 98 100 R2 0.8475 49196 9 17 153 81289 31 56 377 207 698 14 12 10 Total Serilesi Linear (Series1) o 2458 10

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