Part (a)
σ = 10
The standard error will increase.The standard error will decrease. The standard error will remain unchanged.
Part (b)
σ =18 |
3 |
The standard error will increase.The standard error will decrease. The standard error will remain unchanged.
Part (c)
σ = 3
The standard error will increase.The standard error will decrease. The standard error will remain unchanged.
Part (d)
σ =3 |
15 |
The standard error will increase.The standard error will decrease. The standard error will remain unchanged.
Part (e)
σ = 6.5
The standard error will increase.The standard error will decrease. The standard error will remain unchanged.
Part (f)
σ = 0
The standard error will increase.The standard error will decrease. The standard error will remain unchanged.
for standard error =σ/√n
a)The standard error will increase ,as population standard deviation increases
b) The standard error will remain unchanged.
c) The standard error will decrease.
d) .The standard error will decrease.
e) The standard error will increase
f) The standard error will decrease
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