SCHOOL OF FINANCE, ACTUARIAL STUDIES AND APPLIED STATISTICS
QUANTITATIVE RESEARCH METHODS (STAT1008)
SEMESTER 1, 2014
Assignment 3
This assignment is worth 10% of your overall course mark. Solutions should be placed in
the STAT1008 assignment box labelled
SCHOOL OF FINANCE, ACTUARIAL STUDIES AND APPLIED STATISTICS
QUANTITATIVE RESEARCH METHODS (STAT1008)
SEMESTER 1, 2015
Assignment 2
This assignment is worth 10% of your overall course mark. Solutions should be placed in
the STAT1008 assignment box labelled
RESEARCH SCHOOL OF FINANCE, ACTUARIAL STUDIES
AND APPLIED STATISTICS
QUANTITATIVE RESEARCH METHODS (STAT1008)
SEMESTER 1, 2016
Assignment 1
This assignment is worth 15% of your overall course mark. Solutions should be placed in
the STAT1008 assignment box
THE AUSTRALIAN NATIONAL UNIVERSITY
SCHOOL OF FINANCE AND APPLIED STATISTICS
Second Semester Final Examination, November 2006
QUANTITATIVE RESEARCH METHODS (STAT1008)
Study Period: 15 minutes
Time Allowed: 3 hours
Permitted Material: Calculator, dictionary
The Central Limit Theorem
Introduction to Estimation
Chapter 8 of text
As n, the distribution of the sample mean becomes
Normal, with centre and standard deviation /n.
This happens regardless of the shape of the original
population.
i.e. X follows a Norma
1. The time of failure for a continuous operation monitoring
device of air quality has a uniform distribution over a 24
hour day.
a. If a failure occurs on a day when it is daylight between
5.55am and 7.38pm, what is the probability that the
failure will
Lecture Examples Hypothesis tests and confidence intervals
Question 1
Do waiters or waitresses earn larger tips? A restaurant consultant undertook a
preliminary study. Over a four-week period, the percentage of the total bill left as a
tip was measured fo
Question 1
Suppose you enrol in a course where one of the assessment
components is a quiz each teaching day of semester. Each day
you are required to answer a single multiple choice question,
where there are 4 options. You score 1 mark for a correct answe
Notes for Flowchart
For a one-sample Z test, assume X is normally distributed or x-bar is normally
distributed with large n.
For a one-sample T test, you cannot find sample size.
Second approximation will be valid for the confidence interval calculation
(
STAT1008
Quantitative Research Methods
Introductory Lecture
Semester 1, 2015
Teaching Staf
Lecturer: Dr Bronwen Whiting
Email: bronwen.whiting@anu.edu.au
Phone: 6125 3837 (x53837)
Office: Room 4.31 ANU College of Business
and Economics (Bldg 26C)
Consulta
STAT1008
Quantitative Research Methods
Semester 1, 2015
Quantitative Research Methods provides basic training in the gathering, description and
analysis of quantitative information in the social, business, management and financial
sciences.
This is a cour
Lecture examples End of Section 3
1. Given the following probabilities, find P(C|Bc).
P(C)=0.68
P(B|C)=0.2
P(B|C c)=0.5
P(B c|C )=0.8
P(B c|C c)=0.5
To answer this question, you need to know the following rules (all from section 3)
P A1 | A2
P A1 A2
P A
STAT1008
Section 1
Data collection
Chapter 1 of text
What is Statistics?
a way to get (useful) information from data
A framework for dealing with variability
A way to make decisions under uncertainty
Statistical inference: the problem of
determining the b
STAT1008
Section 5
Sampling Distributions
Chapter 7 of text
Remember our brief detour.
Two stories: pizza times, phone call times
We have used these scenarios to see that as
sample size increases, the histograms
become smooth; this helped us understand
th
STAT1008
Section 3
Probability and
Discrete Random Variables
(See Chapters 4 and 5 of text)
Terminology
A random experiment is a process that results
in a number of possible outcomes, none of
which can be predicted with certainty; e.g.
Roll a die: outcome
STAT1008
Section 4
Continuous Probability Distributions
Some of the material in this section is
discussed in Chapter 6 in text
Discrete vs Continuous Data
Remember: discrete data has a countable
number of possible values discrete
probability distributions
STAT1008
Section 7
Hypothesis testing
Chapter 9 of text
Statistical Inference
Making decisions in the face of uncertainty
Hypothesis testing is a structure for making these
decisions
We have in mind two competing ideas call these
hypotheses
First idea: n
STAT1008
Section 3
Probability and
Discrete Random Variables
(See Chapters 4 and 5 of text)
Terminology
A random experiment is a process that results
in a number of possible outcomes, none of
which can be predicted with certainty; e.g.
Roll a die: outcome
1/03/2016
So what do we know?
Confidence intervals for a proportion
Textbook page 302 - 304
We know that by the Central Limit Theorem, as n,
the distribution of the sample mean becomes Normal,
with centre and standard deviation /n.
This happens regardless
Descriptive Statistics
Summarizing and presenting data so that features of
data can be interpreted
Variables, Data and Statistics
Textbook: Chapters 2 and 3
Graphical
Numerical
Variables: feature of population which is of
interest, e.g. height of female s
QUANTITATIVE RESEARCH METHODS (STAT1008)
Please attempt the first four pages of this worksheet during the week one of class.
In this course R will be used as a tool for computing some of the methods that
are discussed in lectures. In assessable items you
QUESTION 1
a) A census is a study of every unit, everyone or everything, in a population.
There a various reasons why the researcher did not use a census:
Limited time Due to the large size of the census (i.e. many
thousands), the time taken to collect, p
Question 1 (10 marks)
Specific interest lies in the income of the current and former
students of The University of Statsville, with one famously lefthanded alumnus stating that left-handers make at least $5000 more
per year than right-handers on average.
a) Record your values first roll, second roll (if required), and recorded
value in a table. Be sure to include this table in your assignment
submission. Also summarise your data (recorded values only) in a
frequency table.
Final
Observation
First Roll
Sec
SCHOOL OF FINANCE, ACTUARIAL STUDIES AND APPLIED
STATISTICS
QUANTITATIVE RESEARCH METHODS (STAT1008)
SEMESTER 1, 2013
Assignment 1
This assignment is worth 15% of your overall course mark. Solutions should be
placed in the STAT1008 assignment box labelled
1. BASIC STATS
Types of variables:
Count: no of bedrooms/children, manufacture year
Ordinal: categories, income brackets
Nominal: gender, yes/no, manufacture model
Continuous: distance, time, age, best cruising speed
p(xxii )
E( E
X()X)
i p
xix
all all
Succeeding in STAT1008
Whats in it for me?
Succeeding in STAT1008
1
What YOU Get out of MyStatLab
To start take a test
Succeeding in STAT1008
Succeeding in STAT1008
Navigate through the Test
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Submit
Succeeding in STAT1008
Study Plan
10/02/2014
What are Sets?
Additional material for the course STAT1008
ANU
Sets
Set Notation
Sets can include any kind of entity/object (another
way of stating elements of a set) as long as they are
well defined. A set is generally an abstract concept
tha
RESEARCH SCHOOL OF FINANCE, ACTUARIAL STUDIES
AND STATISTICS
QUANTITATIVE RESEARCH METHODS (STAT1008)
SEMESTER 1, 2016
Solution of Assignment 1
Question 1
(a) In the spreadsheet, each row corresponds to one daily observation of Ozone, Solar R, Wind