Question

Use the given data set to complete parts (a) through (c) below. (Use a = 0.05.) X 10 9.15 8 8.15 13 8.74 9 8.78 11 9.26 14 8.11 6 6.14 4 3.09 12 9.13 7 7.26 5 4.73 y Click here to view a table of critical values for the correlation coefficient. 10 10- 10- 104 8- 8- 8- 8- . 6- 6- 6- 6- 4- 4- 4- 4- . 2- 2- 2- 2- х х 0 0- 0 0- 0 0 4. 8 12 16 0 4. 8 12 16 4 8 12 16 4 8 12 16 b. Find the linear correlation coefficient, r, then determine whether there is sufficient evidence to support the claim of a linear correlation between the two variables. The linear correlation coefficient is r= (Round to three decimal places as needed.)

Answer 1

Solution- from the given dedeck CQ Regression line EXE99, Ey=82.54 Ex.y=79797, 8X2: 1001 C EX.EX2 - Exceny $ 254 X Tool - gg. 79797 N. Ex 2 - Ex 2 Hiloot GAZ 2.995 be Mi Exy - EX, EX |/ 1297:93-99x82,54 N, EX2 -Xj2 11x100 log2 0.5ol Regoession equation →y=9+bac y = 2.995 +0.50126 Gooph of the regressiolines 12 10 8 of 4 27 2 4 6 8 jo Tui 12 14 16 bu 04 m. ExY-EX: EV m Ex?r£x)2cmEx 24x127 TTX 19794 19 X 02 759 S Hiloulog 27« [ll x660x82se-025472 는 0.8159

of=n-2=112=9 L = 0.05 Critieltreilee 0.602 Coope Lafioh Cofficient o 0.8159 Sitivalue is less therla conse cadrp af Prcjent So there is sufficant eklenceto du Plood the claim - Pleastelike