Question

QUESTION 2 The summary statistics for a certain set of points are: n= 18, =8.078. Yx - 3)2 = 7614, and 6; = 1.291. Aenume the conditions of the lineær modet hold Test the mull hypothesis Ho: B, - versus Ho: B, 0 Use the a=001 tevel of significance Test statistici: 0.160 Do not reject Ho Test statistici 0.160. Reject H Test statistic is 0.441. Do not reject Ho Test statistica 0 441 Reject Ho QUESTION 3 An automotive engineer computed a beast-squares regression line for predicting the gas mileage (miles per gallon or mpg) of a certain vehicle from its speed in mph The results are presented in the following cutput, where the coefficients are the values for y intercept and for slope Intercept Speed Coefficients 38.5176991 -0.19495575 Predict the gas mileage when the vehicles traveling at 36 mph 28 mpe 49 mpe O 31 mpe 25 7 mpe

Answer 1

Ans a 0-18 ses 8'078 Ecri-a?- 7614 b, oli 291 Hoi Bi HA! Bi so d: 001 Test Statistic Bi nto-2 ta SE Bi 11291 041598 10:16 81078 Pvalue !. 0.437442 Ang is 0160 Do not Reject Ho (A) Test Statistic . 3 Int Grept Speed coefficiends 38.517699) -0.1949 5575 - 0119495 575 . 38.517 6991 model :- Y X:156 CS Scanner with CamScanner

CS Scanned with CamScanner 28 olsu 2716 Flag - 9 9 xgt sg bhol. - 1bb9 EIS,88