IMSE 213
Final Exam_Dec 2004
Name: ________________________
Final Exam for IMSE 213,
Chapters 9 and 10
You may use the "cheat sheets" I created. You may make notes on the printed sides, only.
Total poin
You may not use your text, HW papers or any other materials I have not handed out to you.
106
You may not share pencils, pens, paper, cheat sheets or calculators.
If you believe information is missing, state clearly what you are using in its place.
A "yes" or "no" answer will receive a zero unless backed up with statistical proof.
Show your work, especially equations used, limits for summations and intergrations, etc.
Assume a reasonably normal distribution unless it is obvious that it is binomial
or some other distribution from the problem statement.
No.
Problem statement
1
For the following confidence intervals, tell whether
to reject the null hypothesis or not:
Ho
Confidence Interval
Reject Ho (Y or N)?
3
a)
σ
= 0.9
1.01
< σ <
2.01
y
3
b)
σ
1
=
σ
2
0.5
< σ
1
/
σ
2
<
0.9
y
2
For the following statistics
, fill in the blanks
:
5%
H
o
H
1
Known
Distribution should be used to evaluate Ho
3
a)
σ
1
=
σ
2
σ
1
>
σ
2
s
1
, s
2
, n
1
, n
2
F
3
b)
μ
= 2
μ
< 2
s, x
, n
t
3
c)
σ
= -0.5
σ
<> -0.5
σ
, s, n
χ
2
3
d)
μ
= 0
μ
<> 2
σ
, x
, n
Z
(c) 2004-2005 Steven Guffey, PhD
1
12/12/2006

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