ECON 1203 Tutorial Workshop Questions
Weeks 7 and 8
1. Suppose a normally distributed random variable X has a mean of 50 and a variance of 100. Also suppose a
sample of size 16 is drawn from this population. Calculate the following probabilities:
(a)
P(40
ECON 1203 Tutorial Sample Solutions
Semester 1 2015
Weeks 7 and 8
1. Suppose a normally distributed random variable X has a mean of 50 and a variance of 100. Also suppose a
sample of size 16 is drawn from this population. Calculate the following probabili
Weeks 11 and 12
1. RecalltheAnzacGaragedata(AnzacG.xls)usedpreviouslyandavailableintheExceldatasubfolderonthe
Moodle site under Tutorial Questions and Information. We previously considered the simple linear
regressionmodelgivenby:
whereprice=thepriceofaus
ECON 1203 BUSINESS & ECONOMIC STATISTICS
Final examination - Semester 1 2013
General comments:
Do not penalize differences due to rounding error
Penalize initial errors but not later incorrect answers that are conditionally correct
Question 1 [18 marks
ECON 1203 Tutorial Sample Solutions
Semester 1 2015
Weeks 3 and 4
1. (a) Explain what it means to say that two probabilistic events in a sample space are mutually
exclusive of one another.
If two events lets call them A and B are mutually exclusive, then
ECON 1203 Tutorial Workshop Questions
Semester 1 2015
*This document will be periodically updated with questions to be discussed in succeeding tutorials, and
re-posted to Moodle every fortnight.*
Weeks 3 and 4
1. (a) Explain what it means to say that two
Weeks 5 and 6
1. A random number generator is designed to draw numbers at random from within a specified range. We
can consider any number in the range as a possible outcome.
(a) What type of distribution is the random number generator drawing from?
(b) S
ECON 1203 Tutorial Workshop Questions
Semester 1 2015
*This document will be periodically updated with questions to be discussed in succeeding tutorials, and
re-posted to Moodle every fortnight.*
Weeks 1 and 2
1. (a) What is meant by a variable in a stati
BES Tutorial Sample Solutions, S1/11
WEEK 3 TUTORIAL EXERCISES (To be discussed
in the week starting March 14)
1. Using the car data from Week 2, Question 3:
(a) Redo Q3(c) using EXCEL to confirm that the
frequency histogram is given by Figure 3.1.
Freque
ECON 1203 Tutorial Sample Solutions
Semester 1 2015
Weeks 9 and 10
1. State whether the normal distribution, the t distribution, or neither would be the right type of
sampling distribution to assume for the sample mean in order to test hypotheses regardin
ECON 1203 Tutorial Sample Solutions
Semester 1 2015
Weeks 5 and 6
1. A random number generator is designed to draw numbers at random from within a specified range. We
can consider any number in the range as a possible outcome.
(a) What type of distributio
For exclusive use University of New South Wales, 2015
KEL638
DAVID DRANOVE
Practical Regression: Introduction to
Endogeneity: Omitted Variable Bias
This is one in a series of notes entitled Practical Regression. These notes supplement the
theoretical cont
For exclusive use University of New South Wales, 2015
DAVID DRANOVE
KEL637
Practical Regression: Building Your Model
What Variables to Include
This is one in a series of notes entitled Practical Regression. These notes supplement the
theoretical content o
Population model:
Yt = 0 + 1 t + t;
t = 1, . . . , T.
Estimated model:
Yt = b0 + b1 t + et;
t = 1, . . . , T, T = 30.
Useful information from this estimation (see output on slide):
t = 15.5;
s = 5.5659;
sb1 = 0.117;
n = 30;
Standard error for Yf
The predi
ECON 1203 Homework Week 12
On MyStatLab, find and view the technology video entitled Simple regression,
Multiple Regression, and Scatterplots for whichever version of Excel you have
access to
Read the HBP resource entitled Practical Regression: Introduc
ECON 1203 Homework Week 11
On MyStatLab ,find and watch the following StatTalk videos:
o
Regression
o
Confounding
o
Extrapolation
On MyStatLab, find and watch the Technology Help video entitled Scatterplot and
Regression Line for whichever version of Ex
!
CHEAT SHEET
ECON1203: Business and Economics
Statistics
University of New South Wales
1
Introduction to Statistics
Population: Collection of everything in the universe
with regards to the variable
Parameter: A characteristic of the population
Sample: Sm
ECON1203 Past Papers Suggested Solutions
By Blair Wang BIT12
If you find any questions where you don't agree with my solution, please let me know! That means that one
of us can learn from the other :)
NOTE: To access these papers, go to UNSW Library websi
NOTES
ECON1203: Business and Economics
Statistics
University of New South Wales
Check spoonfeedme.com for free video summaries, notes & cheat sheets by top students.
Table of Contents
1! INTRODUCTION TO STATISTICS!
4!
1.1! BASIC!TERMS!
1.2! TYPES!OF!VARIA
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ECON1203
Business and Economic
Statistics
Week 11
Week 11 topics
Prediction using the linear regression model
l Errors and residuals
l The multiple regression model
l
l
l
Interpretation and basic inference
Several regression case studies
2
Prediction in r
4 mm.-x.mmww. . r. .
: lllllll
lllllilillllllllllll
1 4465914
THE UNIVERSITY OF NEW SOUTH WALES
School of Economics
SEMESTER 2 2012
ECON1203 / ECON2292
Business and Economic Statistics
Final Examination
1. Time allowed - 2 hours
2. Reading time - 10 min
FINAL PRACTICE EXAM P (SOURCE: PRE AUT 07)
Last updated 22nd October 2010
Cover Type B
TO BE RETURNED AT THE END OF THE EXAMINATION.
THIS PAPER MUST NOT BE REMOVED FROM THE EXAM CENTRE.
SURNAME:
_
FIRST NAME:
_
STUDENT NUMBER: _
COURSE:
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FINAL EXAMINAT
THE UNIVERSITY OF NEW SOUTH WALES
SCHOOL OF ECONOMICS
ECON 1203/ECON 2292 (ARTS)
BUSINESS AND ECONOMIC STATISTICS
FINAL EXAMINATION
SESSION 1, 2012
1. TIME ALLOWED 3 Hours.
2. TOTAL NUMBER OF QUESTIONS 5.
3. PLEASE ATTEMPT ALL 5 QUESTIONS.
4. ALL QUESTION
ECON 1203/ECON 2292 BUSINESS & ECONOMIC STATISTICS
Final examination - Semester 1 2012
General comments:
Do not penalize differences due to rounding error
Penalize initial errors but not later incorrect answers that are conditionally correct
(i)
[2 mark