1. Generate Normal Distribution with N~(10,9)
2. Generate Binomial Distribution with (100,0.1)
3. Generate Poisson Distribution with Mean equal to 10.
1. Create 100 random numbers.
Normal
BIN
1.8
6.067791
1
8.721569
2.8
1
0
7.948569
4.6
3
2
15.5382
6.4
5
?(?) Page 1 of 13
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The Chinese University of Hong Kong
?0?
Course Examination 2nd Term, 2013-14
?
Course Code &
Title :
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Time allowed :
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Student I.D. No. :
ECON2121A
Methods of Economic Statistics
2
?
hours
?
minutes
?
Seat No. :
This is a two-hour cl
?(?) Page 1 of 13
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The Chinese University of Hong Kong
?0?
Course Examination 1st Term, 2013-14
?
Course Code &
Title :
?
Time allowed :
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Student I.D. No. :
ECON2121A
Methods of Economic Statistics
2
?
hours
0
?
minutes
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Seat No. :
This is a two-hour
The Chinese University of Hong Kong
Department of Economics
ECO2121A Midterm Exam
First Term, 2014-2015
Exam Date: 21 October 2014
INSTRUCTIONS:
This is a 90-minute closed-book exam. A calculator is needed for the exam. But you are
not allowed to use note
The Chinese University of Hong Kong
Department of Economics
ECO2121A Midterm Exam
First Term, 2013-2014
Exam Date: 22 October 2013
INSTRUCTIONS:
This is a 90-minute closed-book exam. A calculator is needed for the exam. But you are not
allowed to use note
ECON 2121
Methods of Economic Statistics
Chapter 13
Multiple Regression
1
Outline
I
Multiple Regression Model
I
Least Squares Method
I
Multiple Coefficient of Determination
I
Model Assumptions
I
Testing for Significance
I
Categorical Independent Variables
ECON 2121
Methods of Economic Statistics
Chapter 8
Interval Estimation
1
Outline
Population Mean: Known
Population Mean: Unknown
Determining the Sample Size
Population Proportion
2
Margin of Error and the Interval Estimate
A point estimator cannot be expe
ECON 2121
Methods of Economic Statistics
Chapter 4
Introduction to Probability
1
Outline
Experiments, Counting Rules,
and Assigning Probabilities
Events and Their Probability
Some Basic Relationships
of Probability
Conditional Probability
Bayes Theor
ECON 2121
Methods of Economic Statistics
Chapter 9
Hypothesis Testing
1
Outline
Developing Null and Alternative Hypotheses
Type I and Type II Errors
Population Mean: s Known
Population Mean: s Unknown
Population Proportion
2
Hypothesis Testing
Hypot
ECON 2121
Methods of Economic Statistics
Chapter 6
Continuous Probability Distributions
1
Chapter 6
Continuous Probability Distributions
I
I
I
Uniform Probability Distribution
Normal Probability Distribution
Exponential Probability Distribution
f(x)
x
2
C
ECON 2121
Methods of Economic Statistics
Chapter 7
Sampling and Sampling Distributions
1
Outline
Simple Random Sampling
Point Estimation
Introduction to Sampling Distributions
Sampling Distribution of
Sampling Distribution of
n = 100
Sampling Methods
n =
ECON 2121
Methods of Economic Statistics
Chapter 5
Discrete Probability Distributions
1
Chapter 5
Discrete Probability Distributions
I
I
I
I
I
I
Random Variables
Discrete Probability Distributions
Expected Value and Variance
Binomial Probability Distribut
ECON 2121
Methods of Economic Statistics
Chapter 1
Data and Statistics
1
What is Statistics?
I
Statistics is the art and science of
collecting, classifying, organizing,
analyzing, presenting, and
interpreting data.
2
Chief Executive Election 2012
3
Electi
ECON 2121
Methods of Economic Statistics
Chapter 2
Descriptive Statistics: Tabular and
Graphical Presentations
1
Outline
I
I
I
I
Summarizing Qualitative Data
Summarizing Quantitative Data
Exploratory Data Analysis
Crosstabulations
and Scatter Diagrams
2
S
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Copyright Reserved
The Chinese University of Hong Kong
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Course Examination 1st Term, 2013-14
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Course Code & Title:
ECON2121A
Methods of Economic Statistics
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Course Examination 2nd Term, 2012-13
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Time allowed :
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ECON2121A
Methods o
Expected Return
Return at 5th percentile
assuming normal
Random numbers Random numbers that follow
that follow normal binomial distribution
distribution
Return at 5th percentile assuming
binomial
Suppose the stock price is currently 30 dollars. The
9
1. Y
1. A continuous random variable Y has a cdf given by
0
(y) = cfw_ 2
1
1
<0
0<1
1
3
Find P (2 < 4) two waysfirst, by using the cdf and second, by using the pdf.
2. Show that
() =
1
,
2
1
is a valid pdf but that Y does not have a finite expected value.
3.
Methods of Economic
Statistics
Chapter 10
Two-Sample Tests
Chap 10-1
Chapter Outline
Compared two independent samples
Compared two related samples (paired samples)
Performed paired t test for the mean difference
Formed confidence intervals for the mean di
Methods of Economic
Statistics
Chapter 4
Basic Probability
Chap 4-1
Outline
Experiments, Counting Rules, and Assigning
Probabilities
Events and Their Probability
Some Basic Relationships of Probability
Conditional Probability
Bayes Theorem
Chap 4-2
Probab
Methods of Economic
Statistics
Chapter 12
Chi-Square Tests
Chap 12-1
Chapter Outline
Chi-square test for contingency tables
Chi-Square to test for a variance or
standard deviation
Chap 12-2
Contingency Tables
DCOVA
Contingency Tables
Useful in situation
Methods of Economic
Statistics
Chapter 9
Fundamentals of Hypothesis
Testing: One-Sample Tests
Chap 9-1
Outline
Developing Null and Alternative Hypotheses
Type I and Type II Errors
Hypothesis Tests for the Population Mean When
Known
Hypothesis Tests for t
Methods of Economic
Statistics
Chapter 8
Confidence Interval Estimation
Chap 8-1
Chapter Outline
n
n
Point and Interval Estimates
Confidence Intervals for the Population
Mean,
n
n
n
n
when Population Standard Deviation is Known
when Population Standard D
Methods of Economic
Statistics
Chapter 7
Sampling and Sampling Distributions
Chap 7-1
Chapter Summary
Probability and nonprobability sampling
methods
Sampling distribution of the mean
When the population distribution is normal
When the population distri
Methods of Economic
Statistics
Chapter 6
Continuous Probability
Distributions
Chap 6-1
Continuous Probability Distributions
Uniform Probability Distribution
Normal Probability Distribution
Exponential Probability Distribution
f(x)
x
Chap 6-2
Continuous Pr
Methods of Economic
Statistics
Chapter 2
Organizing and Visualizing Data
Chap 2-1
Outline
Sources of data
To construct tables and charts for categorical
data
To construct tables and charts for numerical
data
Chap 2-2
The DCOVA Framework
Define the variabl
ECON 2121A First Term, 2015-2016
Problem Set 2
Due: on class, 7th October (Wednesday)
Please submit your assignment with a signed statement with the following declaration:
1
Exercise 1 Republicans have two potential candidates (A, B) for presidential elec
ECON 2121A First Term, 2015-2016
Problem Set 1
Due: on class, 30th September (Wednesday)
Please submit your assignment with a signed statement with the following declaration:
1
Exercise 1 In this question, write down whether the statement is True or False