Question

can you do it step by step to understand

Find the least-squares line y P0 + Pzx that best fits the given data 1 Given: The data points (-3, 2), (-2, 5), (0, 5), (2, 2), (3,7) Suppose the errors in measuring the y-values of the last two data points are greater than for the other points. Weight these data points half as much as the rest of the data 1-3 1-2 | [β1 β2 A) y 0.9 1.54x B) y 4.6+ 0.45x C) y 4.9 1.54x D) y 0.45+4.6x 2) Given: The data points (-2, 2), (-1,5), (0, 5), (1, 2), (2, 2) Suppose the errors in measuring the y-values of the last two data points are greater than for the other points. Weight these data points twice as much as the rest of the data βι P2 A) y 5.8 0.90x B) y 2.6-0.53x C) y-2.8-0.55x D) y 2.9 - 0.45x Solve the problem

Answer 1

mea Values 3-2 to 2-+3 3 +6 2 -2,レ NO Sope

Hen Ce Slope and taot 3 2- 2 30 on s