1
(Choose 1 answer)
(See picture)
A. + 3.396
B. -3.396
C. 158.31
D. 254.222
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 10 observations:
X
Y
15
215
23
168
8
232
17
206
5
220
19
24
3
7
11
227
Find the SLOPE in the least squares estimates of the simple linear regression model. (rounded to 3 decimal places)
236
242
178
170