Describing Data using Numerical Measures
Here is the data Ill be using. The letters and numbers correspond to the row and column
labels you would see in Excel.
A
1
2
3
4
5
USA
RSA
ENG
B
60s
C
70s
0
1
1
D
80s
4
5
2
E
1
0
1
Suppose you want to recreate the
Blue Version
Business 201-301
Summer 2009
Exam I
Blue Version
Name:_
_
1
Blue Version
For each, choose the response that best answers the question. (3 pts. each)
1. A standard normal distribution has a mean of _ and standard deviation of _.
a. 0,1
b. 0,0
Ivory Version
Business 201-301
Summer 2009
Exam I
Ivory Version
Name:_
_
1
Ivory Version
For each, choose the response that best answers the question. (3 pts. each)
1. A standard normal distribution has a mean of _ and standard deviation of _.
a. 0,1
b. 0
Principles of Microeconomics
Exam III
Fall 2008
Name:_
You may choose one of the following options. You are welcome to look over the entire
exam before selecting the option; this is probably a good idea. Your exam will be
graded based on the option that y
Green Version
Business 201-301
Summer 2009
Exam II
Green Version
Name:_
_
1
Green Version
1. The Dog Days of Summer
For each part below, calculate the following: i. Mean, ii. Standard Deviation, iii. Pr(X=4), iv.
Pr(X>4). MARK YOUR ANSWERS TO EACH PART CL
Buff Version
Business 201-301
Summer 2009
Exam III
Buff Version
Name:_
_
1
Buff Version
1. The Effectiveness of Cap and Trade
Recently the U.S. Congress has been working on a plan called cap and trade in an effort
to reduce the emissions of greenhouse gas
Tan Version
Business 201-301
Summer 2009
Exam II
Tan Version
Name:_
_
1
Tan Version
1. The Dog Days of Summer
For each part below, calculate the following: i. Mean, ii. Standard Deviation, iii. Pr(X=3), iv.
Pr(X>3). MARK YOUR ANSWERS TO EACH PART CLEARLY
Pink Version
Business 201-301
Summer 2009
Exam III
Pink Version
Name:_
_
1
Pink Version
1. The Effectiveness of Cap and Trade
Recently the U.S. Congress has been working on a plan called cap and trade in an effort
to reduce the emissions of greenhouse gas
Green Version
Business 201-350
Summer 2009
Exam I
Green Version
Name:_
_
1
Green Version
For each, choose the response that best answers the question. (3 pts. each)
1. A standard normal distribution has a mean of _ and standard deviation of _.
a. 0,1
b. 0
The Responsiveness of Buyers and Sellers to Change - Elasticity
Principles of Microeconomics - Econ1014
Ryan
We know using the demand and supply model that economic shocks, which shift the
demand and/or supply, will result in price and quantity changes, b
Economic Shocks Predicting Price and Quantity Changes
Principles of Microeconomics - Econ1014
Ryan
Anything that causes a change in one of the other factors which help to determine the
Supply or Demand will result in a change in Supply and/or Demand. For
Price Control Review Sheet
Principles of Microeconomics - Econ1014
Ryan
1. Price Ceiling
Only effective if it is binding (set below equilibrium price)
If binding, it will cause
o Qs
o Qd
o Shortage
o Resource misallocation
o DWL
o Amount of resource mis
Principles of Microeconomics
Summer 2009
Exam I
Name:_
Mark which three sections you wish to be graded for your exam. Each section is worth
33 points. If you fail to mark three sections, sections one, two and three will be graded
regardless of completion.
Salmon Version
Business 201-350
Summer 2009
Exam II
Salmon Version
Name:_
_
1
Salmon Version
1. The Dog Days of Summer
For each part below, calculate the following: i. Mean, ii. Standard Deviation, iii. Pr(X=4), iv.
Pr(X>4). MARK YOUR ANSWERS TO EACH PART
Pink Version
Business 201-350
Summer 2009
Exam I
Pink Version
Name:_
_
1
Pink Version
For each, choose the response that best answers the question. (3 pts. each)
1. A standard normal distribution has a mean of _ and standard deviation of _.
a. 0,1
b. 0,0
Principles of Microeconomics Econ1014 - Ryan
Cost Benefit/Opportunity Cost Study Sheet
Each of us has limited resources; time, money, skills, etc. For example, nobody has more
then 24 hours in a day. If you decide to sleep for an extra hour in the morning
1
Principles of Microeconomics Econ1014 Ryan
Demand and Supply Study Sheet
1. Deriving the Demand Curves
Suppose that you are working as an economist for a local music retailer and you are
trying to figure out the market demand for your product. Market de
1
Principles of Microeconomics Econ1014 Ryan
Elasticity Study Sheet
1. Using Price to Discourage Smoking
A number of anti-smoking groups are trying to reduce the incidence of smoking in the
US. Knowing that people make decisions by comparing MB to MC and
Trade Review Sheet
Principles of Microeconomics - Econ1014
Ryan
1. Assuming Resources are Identical in Production
PPF will be a straight-line
Opportunity cost will be constant
Firms can randomly choose resources since nobody is better than anybody
else
Trade Restrictions Quotas and Tariffs
Principles of Microeconomics - Econ1014
Ryan
1. Quota
Suppose a quota of 2000 units is placed on imports of this good. How will it impact the
US market for the good?
This Market where the domestic price was $6 until
Tax and Subsidy Review Sheet
Principles of Microeconomics - Econ1014
Ryan
1. Tax on Seller
Shifts supply left
Results in
o Higher advertised price
o Tax wedge
o Resource misallocation (discourages market activity)
o DWL
o Amount of resource misallocatio
Discrete Probability Distributions
Heres the data.
1
2
3
4
5
6
7
A
Score
2
3
4
5
6
7
B
Occurrences
1
5
20
16
2
1
When we calculate the mean using AVERAGE, it wont work for discrete distributions.
Its a simple arithmetic mean not considering probabilities.
Describing Data using Numerical Measures
Here is the data Ill be using. The letters and numbers correspond to the row and column
labels you would see in Excel.
1
2
3
4
5
6
7
8
A
Valley
Bayside
Bayside
Valley
Bayside
Valley
Valley
Bayside
B
20
18
21
14
23
Estimating Single Population Parameters
Excel will do confidence intervals for you. These however assume a normal distribution.
If you are using any other distribution, then it is not wise to use this function.
The function CONFIDENCE will however report
Estimation and Hypothesis Testing for Two Population Parameters
Most of the things Ill be doing in the next couple of sections are done using the data
analysis package built into most versions of Excel. For Excel 2003, these are found
under Tools, then Da
Hypothesis Tests and Estimation for Population Variances
Chi-Square Distribution
If Im looking at a single variance, then this is done using commands. If I know my
significance and the degrees of freedom, I can type the following:
=CHIINV(0.05,1). Here I
Introduction to Linear Regression and Correlation Analysis
Correlation
You can do correlation analysis either by a command or an option under Data Analysis.
Ill do the command version here. Heres my data:
1
2
3
4
5
6
7
8
9
10
11
12
13
A
Wind
Speed
10
18
2
ANOVA
The idea behind ANOVA is to determine if three or more means are equal. You could use the
approach we used previously where you simply test each mean separately. This has two
drawbacks when compared to ANOVA. First, the separate tests require you to
Name:_
Homework #3
Due: Wednesday, June 17, 7pm
Read the directions carefully, and answer all parts of each question. Write neatly; if I cant read
it, it will be counted wrong. You may work in groups, but you must submit your own solution.
Any submissions
Name:_
Homework #1 (Day)
Due: Wed., Jun. 10, 11am
Read the directions carefully, and answer all parts of each question. Write neatly; if I cant read
it, it will be counted wrong. You may work in groups, but you must submit your own solution.
Any submissio