Question

QUESTION 2 Following scatter plot represents a sample of paired X and Y values. Which of the listed values of the linear correlation coefficient r is most likely to represent the given scater plor? r= -0.711 r= 0.667 r= 0.099 r= -0.018 and submit. Click SSare All Anscers to suce all ansers

Answer 1

the ginen scalfel diagram represent the reloved Correlation coefficien 8 = -0.711 Cloum: The mean travel time between two destination is al minutes null and Alternate hypothesis Ho: M=21 Hii l tal option. (C) since ŷ = 37.916+3.5298 where intercept give the predicted Иeldlе он ч Luht x 0 ). - 977 ut<pt : 37-7/ь | So As The predicted sales when the salesperson does not travel.

☺ 8019 toteil sample (n) = 20 Sample mean = 27 . s = 16.1 99% Confidence internal of = 12 + tex l von 127 2.861x16.)) - 1373 10:3) = 116.7,37-3) as option (0) - 16. 7 cu <37 3 y 10.4 3 7 10.3 (x-8)2 16 4 1> ēno o nw - x (x-*)(y-Y) 27.3714 0.4857 3.0571 38.7857 34.7143 25 25 0.3 4:7 28.7857 - 96 10 13 25 133:2 so ŷ = atbx b = {(x-²) EJ-7) = 133 2 1 (x-2)2 96 a -bă = 7.24 - (1300x5 = 0.305 = 1.3875 so Û = 1.388 * +0.305 Predicted value = ( 1388 x7 +0.305). = 10:021]