N4AT 222 Formula Card
Standard scolo: z
a
Pooled two-sample estimator
2=(rI-I)s +(n2 -l)sl
,+,
=ry
o
Pooled lwo-sample l sralistic
Stal'lda|d score fo| sarnple rneall X
, (x - 12-(t -t2) -rr_-1 =-,
"P t/ n ' n2
Confidence interval for lnean
.r
-12 wheno
Fall,2008
N'!.AT 222
Final (Deccmber 10, 2008)
Nme
,k* *1,r,*+ r.*
1. 'Ihoro
a,r'r,.
7 probkrns antl a
*
total of 9 )rgos irr this booltbt.
2. Show all of your work and labd your a,lswcrs clearly.
3. If you usc a table, state the trblc used: for exanple 1
/
M AT 2 22 F inal A ( May 7 ,2007)
N ame:
_
I nstructor:
_
*
1. There are 7 problems a nd a t otal of 9 pages in t his b ooklet.
2. Show all of your work a nd l abel your answers clearly.
3. I f you use a table, s tate t he t able used: for example 1.
M AT 222
Final Examination
8 May 2006
NAME
_
S UID
_
Please check the name o f your instructor:
[ ] Elena Buzaianu
[ ] Vincent Fatica
Do not write below
Question
Value
1
15
2
14
3
14
4
14
5
14
6
15
7
14
Total
100
Score
[ ] Wei Ning
I. Citing the results
M AT 2 22 F inal ( December 1 3, 2 006)
N ame:
_
*
1. T here are 7 problems and a t otal of 9 pages in this booklet.
2. Show all of your work a nd label your answers clearly.
3. I f you use a table, s tate t he t able used: for example 1.887 (from Tabl