NOTES
The above exhibit shows that pay differentials vary among localities. A job that
averages $30,000 nationally can pay from $37,050 in San Francisco (23.5% above the
average) to $27,210 in Birmingham, AL (over 9% below the average).
Just a demonstrati
STAT 205
Fall 2006
Exam 1
Name:_ANSWER KEY_
n
s2 =
i 1
( yi y ) 2
(n 1)
Pcfw_E1 U E2 = Pcfw_E1 + P(E2 Pcfw_E1 E2
Pcfw_E1 E2 = Pcfw_E1Pcfw_E2| E1
Y = yi Pcfw_Y = yi
Y2 = (yi Y)2 Pcfw_Y = yi
= E(Y2) (E(Y)2
Pcfw_Y = j = nCj pj (1 p)n-j
Y = np
2
Y = np(1 p)
Z
Math 215 Spring 2008 Exam 2 Solutions
Low: 42 Average: 84 High: 100
Approximate grade breakdown (if I curved this exam):
90 100
A
80 90
B
0 80
C or below
1(a)
f
3x 2 3 which 3 2 2 3 9 at ( x, y ) (2,1)
x
f
2 y 8 which 2 1 8 6 at ( x, y ) (2,1)
y
2 f
6
Math 215 Spring 2008 Exam 3 Solutions
Low: 59 Average: 83 High: 97
Approximate grade breakdown (if I curved this exam):
90 100
A
80 90
B
0 80
C or below
Page 2
389
C (7,3)
C (100,40) Once you decide which 40 Aaron gets, the other 60 go to Brian, so
you ar
Math 215 Spring 2008 Exam 4 Solutions
Low: 61 Average: 84 High: 94
Approximate grade breakdown (if I curved this exam):
90 100
A
80 90
B
0 80
C or below
Pr( F )
Pr( F )
Pr()
Pr( F ) Pr( F ')
Pr( F ) Pr( | F )
(.05)(.94)
.047
.7121
Pr( F ) Pr( | F ) Pr( F
Math 141 Fall 2013 Exam 4 Solutions
Low: 43 Average: 84 Median: 89 High: 100
If I based your grade entirely on this exam:
90 100
A
80 90
B
0 80
C or below
1. 1/8. There are 8 possible outcomes, one of which is HHH.
1/4. There are 4 possible such outcomes
Math 141 Fall 2013 Exam 3 Solutions
Low: 56 Average: 82 Median: 85 High: 96
If I based your grade entirely on this exam:
90 100
A
80 90
B
0 80
C or below
9 9 8 7. The first number can be anything but 0, and then next numbers can each by anything
(includin
Math 215 Spring 2007 Exam 3 Solutions
Low: 68 Average: 85 High: 100
Approximate grade breakdown (if I curved this exam):
90 100
A
80 90
B
0 80
C or below
1. Shaded in: all of T plus the slice of R and S just above T.
( R S 'T ' ) T or ( R S ' ) T or ( S T
Math 141 Spring 2015 Exam 1 Solutions
Low: 37 Median: 72 High: 98
Approximate breakdown if I based your grade entirely on this exam:
80 100
A
60 80
B
0 60
C or below
1 2 3 5
1 2 3 5
, so there is a solution regardless of .
1 2 4
0 0 1 5
1 2 3 5
1 2 3 5
Quiz 4
Name: _
September 24th, 2010
You have 11 different books on the top level of your bookshelf. There are 6 textbooks, 3 comic
books and 2 novels.
1. If you re-arrange all of the books, how many possible arrangements of the 11 books can
you have?
2. W
Math 215 Fall 2009 Exam 1 Solutions
Low: 66 Average: 85 High: 100
Approximate grade breakdown (if I curved this exam):
90 100
A
80 90
B
0 80
C or below
1.
False
Some do not, e.g. if
True
Multiply them to get the identity.
False
, then
has no solution.
.
F
Math 215 Spring 2007 Exam 4 Solutions
Low: 54 Average: 84 High: 100
Approximate grade breakdown (if I curved this exam):
90 100
A
80 90
B
0 80
C or below
Pr(E)
1.
Pr(F)
1
7
2
7
2
7
2
7
5
3 4 2 5
from the diagram, or Pr( E F ) Pr( E ) Pr( F ) Pr( E F ) .
7
Homework 3: Solutions
Environmental Economics: ECO 345
Question 1
The best option would be to introduce a Pigouvian tax on total BOD levels equal to the
marginal damage and charge the tax to both rms, regardless of which rm emitted.
Question 2
Marginal da
Homework 2: Solutions
Environmental Economics: ECO 403
Question 1
a. The marginal costs are not equal and so the regulation violates the equi-marginal
principle and does not reduce pollution in the least costly way. To reduce costs,
pollution needs to be
NOTES
While some private sector firms may track the rate of change in BLS data as
a cross-check on other surveys, the data are often not specific enough to be
used alone.
Tailoring analysis to specific industry segments, select companies, and
specific job
NOTES
A good survey will include this information in its results.
Hence, it is sometimes suggested that when the
compensation manager of a company changes, the job matches change, too.
Low-High Approach
iii.
If an organization uses a skill- or competency-
NOTES
No survey includes all the data included in this discussion; rather the data
collected depend on the purpose of the survey, and the jobs and skills included.
Organization Data This data reflects the similarities and differences among
organizations i
NOTES
It is no surprise that for all seven jobs, total compensation is higher than base
pay alone or base plus bonus.
However, the variability and magnitude of the difference may be a surprise: from
$7,842 (34%) for the job of technician A, to &244,103.38
NOTES
Anomalies may include:
Does any one company dominate? (if so, a separate
a.a.i.
analysis of the largest companys data will isolate that employers pay
practices and clarify the nature of its influence.)
Do all employers show similar patterns? (probab
NOTES
a.a.
Central Tendency A measure of central tendency reduces a
large amount of data into a single number. Exhibit 8.12 defines commonly
used measures. The distinction between mean and weighted mean is
important. If only company averages are reported
NOTES
1. Even though these changes do not occur smoothly and uniformly throughout the
year, as a practical matter we assume that they do.
2. Therefore, a survey that requires three months to collect and analyze is probably
outdated by the time it is avail
NOTES
This graph shows the regression lines that used the same data as those in Slide
14.
Compare the data tables in Slide 14 and the above slide. Slide 14 shows market
rates for survey jobs. The above graph shows the job evaluation points for the
company
NOTES
1. Choice of measure Colgates compensation policy is to be at the 50 th
percentile for base pay and 75th percentile for total compensation. Based on
Colgates stated policy, Colgate would use the 50th percentile for base pay
and the 75th percentile f
Quiz 8
Name: _
March 25th, 2011
A bookstore has 150 textbooks in stock. 50 of those textbooks are for a business course and the
remaining are for other majors.
1. Let B represent the number of business textbooks in an order of 30 textbooks. Find an
approp
Quiz 10
Name: _
April, 15th 2011
Little Johnny has completed his therapy for habitual gambling and is considered recovered. But
his therapist told him that, for a problem like his, the time until relapse usually follows a normal
distribution with a mean o
Math 141 Fall 2012 Exam 3 Solutions
Low: 51 Average: 86 Median: 89 High: 99
Approximate grade breakdown (if I curved this exam):
90 100
A
80 90
B
0 80
C or below
just the last digit must be odd in order for the number to be odd, and you
can repeat digits.