41
(Choose 1 answer)
(See picture)
A. Y_hat 23.178 + 1.456X
B. Y_hat = 254.222-7.123X
C. None of the others
D. Y_hat = 3.278-2.441X
E. Y_hat = 3.278 + 1.441X
A rocket motor is manufactured by bonding together two types of propellants,an igniter and a sustainer. The shear strength of the bond y is thought to be a linear function of the age of the propellant x when the motor is cast. Table below provides 6 observations:
X
15
23
8
17
5
19
Y
25
38
15
26
11
30
Find the least squares estimates of the simple linear regression model.(rounded to 3 decimal places)