RESEARCH SCHOOL OF FINANCE, ACTUARIAL STUDIES
AND APPLIED STATISTICS
First Semester Final Examination (2013)
INTRODUCTORY STATISTICS FOR BUSINESS AND
FINANCE
(STAT7055)
Writing period: 3 hours duratio
Coeff of Var
IQR range = Q3-Q1
IQR Lp=(n+1)P/100
Sample Corr Coeff
Sample Covariance Cov (xy) = s(xy)
Pop
coeff of determ is
r2=coef of Corr
Population variance
Sample SD
Probability distribution alwa
RESEARCH SCHOOL OF FINANCE, ACTUARIAL STUDIES
AND APPLIED STATISTICS
First Semester Mid-Semester Examination (2013) Solutions
INTRODUCTORY STATISTICS FOR BUSINESS AND
FINANCE
(STAT7055)
Writing period
STUDENT NUMBER:
RESEARCH SCHOOL OF FINANCE, ACTUARIAL STUDIES
AND APPLIED STATISTICS
Second Semester Mid-Semester Examination (2015) Solutions
INTRODUCTORY STATISTICS FOR BUSINESS AND
FINANCE
(STAT705
RESEARCH SCHOOL OF FINANCE, ACTUARIAL STUDIES
AND APPLIED STATISTICS
First Semester Mid-Semester Examination (2013) Solutions
INTRODUCTORY STATISTICS FOR BUSINESS AND
FINANCE
(STAT7055)
Writing period
STAT7055 Semester 1 2014
Week 12 Tutorial Questions/Solutions
Question 1
(Exercise 15.26 Keller 9th Edition)
Conduct a test to determine whether the two classifications R and C are independent, using
STUDENT NUMBER:
RESEARCH SCHOOL OF FINANCE, ACTUARIAL STUDIES
AND APPLIED STATISTICS
Second Semester Mid-Semester Examination (2015) Solutions
INTRODUCTORY STATISTICS FOR BUSINESS AND
FINANCE
(STAT705
STUDENT NUMBER:
RESEARCH SCHOOL OF FINANCE, ACTUARIAL STUDIES
AND APPLIED STATISTICS
First Semester Mid-Semester Examination (2014) Solutions
INTRODUCTORY STATISTICS FOR BUSINESS AND
FINANCE
(STAT7055
STAT7055 Semester 2 2016
Week 3 Tutorial Questions
100
1. The average score for a class of 30 students was 75. The 20 male students in the class
averaged 70. The boxplots for the scores for the male a
STAT7055 Semester 1 2014
Week 8 Tutorial Questions/Solutions
Question 1
In investigating the performance of a new model of copying machine, a company recorded
the amount of time required to fix breakd
RESEARCH SCHOOL OF FINANCE, ACTUARIAL STUDIES
AND APPLIED STATISTICS
First Semester Mid-Semester Examination (2013)
INTRODUCTORY STATISTICS FOR BUSINESS AND
FINANCE
(STAT7055)
Writing period: 1 1/2 ho
STAT7055 Semester 2 2015
Week 2 Tutorial Solutions
1. Data was collected on 105 homes in Canberra in 2003. For each house, the following
information was collected: the estimated price of the house (in
STAT7055 Semester 1 2014
Week 2 Tutorial Questions/Solutions
Question 1
Data was collected on 105 homes in Canberra in 2003. For each house, the following
information was collected: the estimated pric
STAT7055
Tutorial Week 3 Solutions
PART I
1. The following table lists the joint probabilities of achieving grades of A and not
achieving As in two MBA courses
Achieve a grade of A Does not achieve a
STAT7055 Semester 1 2014
Week 5 Tutorial Questions/Solutions
Question 1
The amount of time it takes for a student to complete a statistics quiz is uniformly
distributed between 30 and 60 minutes. One
STAT7055 Semester 2 2015
Week 4 Tutorial Solutions
1. Suppose the random variable X has the following probability distribution:
x
0
1
2
p(x)
0.6
0.3
0.1
Calculate the following:
(a) E(X)
Solution:
(x
STAT7055
LECTURE 13
Review
October 29, 2015
STAT7055 - Lecture 13
October 29, 2015
1 / 19
Final Exam
What to Review
I
I
Final exam covers material from the entire semester.
You should review:
I
I
I
I
SCHOOL OF FINANCE AND APPLIED STATISTICS
STAT7055
Tutorial Week 12 solutions
Question 1
Regression Analysis: No. of B. Bean days versus Dollars Spent on Beer
The regression equation is
No. of B. Bean
STAT7055
LECTURE 10
Chi-Squared Tests
August 25, 2015
STAT7055 - Lecture 10
August 25, 2015
1 / 41
Introduction
Tests for Categorical Data
I
Testing population proportions can be thought of as
making
STAT7055
Tutorial 6 Solutions
Question 1
(a)What does sampling distribution mean and how is a sampling distribution of the mean
obtained? (b) What is meant by the mean and standard deviation of the sa
STAT7055
Tutorial Week 5 solutions
Question 1
The amount of time it takes for a student to complete a statistics quiz is uniformly
distributed between 30 and 60 minutes. One student is selected at ran
STAT 7055
Tutorial Week 4 Solutions
Question 1
Answer using printed tables. A new surgical procedure is said to be successful 80%
of the time. Suppose that the operation is performed 5 times, with the
STAT7055
Tutorial Week 7 Solutions
Question 1
i.
Glaucoma is a disease of the eye characterised by high intraocular pressure.
Suppose that a sample of 9 people suffering glaucoma had a mean intraocula
STAT7055
LECTURE 13
Review
October 24, 2016
STAT7055 - Lecture 13
October 24, 2016
1 / 21
Regression with Categorical Independent Variables
Regression with Categorical Independent
Variables
I
I
Only n
BUSN 7008
Homework Exercises & tutorial questions _01
Solutions
Exercises
(1015 min.) E1-1
1
2
3
4
5
6
7
8
9
10
11
E
A
I
F
J
B
D
C
G
H
K
1
(510 min.) E1-5
1.
2.
3.
$55 000
$55 000
$55 000
Owners inves
RESEARCH SCHOOL OF FINANCE, ACTUARIAL STUDIES
AND APPLIED STATISTICS
First Semester Mid-Semester Examination (2012) Solutions
FINANCIAL STATISTICS
(STAT7055)
Writing period: 1 1/2 hours duration
Study
RESEARCH SCHOOL OF FINANCE, ACTUARIAL STUDIES
AND APPLIED STATISTICS
Second Semester Mid-Semester Examination (2012) Solutions
FINANCIAL STATISTICS
(STAT7055)
Writing period: 1 1/2 hours duration
Stud
STAT7055 Semester 2 2016
Week 3 Tutorial Solutions
100
1. The average score for a class of 30 students was 75. The 20 male students in the class
averaged 70. The boxplots for the scores for the male a
Research School of Finance, Actuarial Studies and Statistics
EXAMINATION SOLUTIONS
Semester 2 - Mid-Semester, 2017
STAT7055 Introductory Statistics for Business and Finance
Writing Time:
Reading Time:
PDF: probability density function
total area under the PDF must equal 1
marginal probability
covariance
Clt: central limit distribution
eg
Let X be the height of a randomly selected man in Australia
Student Number:
Research School of Finance, Actuarial Studies and Statistics
EXAMINATION SOLUTIONS
Semester 2 - Mid-Semester, 2016
STAT7055 Introductory Statistics for Business and Finance
Writing Tim
STAT7055 Semester 2 2017
Week 8 Tutorial Questions
1. In investigating the performance of a new model of copying machine, a company recorded
the amount of time required to fix breakdowns for it. For 7