1.In the expression for uniaxial strain _ _ _ /l, the elongation is specified as _∼ ( 0 . 0015 , 0 . 000 092 ) in and the length as l ∼ ( 2 . 0000 , 0 . 0081 ) in. What are the mean, the standard...

1.In the expression for uniaxial strain
_
_
_/l, the elongation is specified as _∼
(0.0015,0.000 092)
in and the length as l ∼
(2.0000,0.0081)
in. What are the mean, the standard deviation, and the
coefficient of variation of the corresponding strain
_.
2. In Hooke’s law for uniaxial stress,
_
_
_E, the strain is given as
_
∼ (0.0005, 0.000 034) and
Young’s modulus as E ∼
(29.5,
0.885)
Mpsi. Find the mean, the standard deviation, and the coefficient
of variation of the corresponding stress
_
in psi.