Answers:
1.
Vol
HP
XXX
SP
WT
Mean
98.80488
XXXX
117.XXXX
33.78171
112.XXXX
XX.91463
Standard Error
2.447857
XXXXXXXX XXXXX
X.277023
1.104824
X.550218
XXXXXXXX Error
0.XXXXX
From XXX table XX XXX find that HP XXX XXX XXXXXXX standard deviation and WT has XXX lowest standard XXXXXXXXX.
2. Scatter XXXX:
XXXXXXXXX:
As XXX increases HP XXXX XXXXXXXXX
XX HP increases MPG decreases
XXX XXXXXXXXX SP XXXXXXXXX
SP XXXXXXXXX XX also increases
X.