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 hours duration
Study period: 10 minutes duration
Permitte
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 breakdowns for it. For 73 breakdowns, an average time
of 88.8
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 dollars); the number of
bedrooms; the size of the hous
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 p(x) = 0 0.6 + 1 0.3 + 2 0.1 = 0.5
E(X) =
all x
(b) V (
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 student is selected at random. Find the
probability of
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 results being
independent of each other.
(a) Define th
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 Grade
in Marketing
of A in Marketing
Achieve a grade of
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 intraocular
pressure of 20 mmHg. Assuming the population standard
SCHOOL OF FINANCE AND APPLIED STATISTICS
STAT7055
Tutorial Week 11
During this tutorial, we will have another look at the real estate data (Real Estate
2003 Data Set).
(a) Perform a regression of selling price against size of the home in square feet and
y
STUDENT NUMBER:
RESEARCH SCHOOL OF FINANCE, ACTUARIAL STUDIES
AND APPLIED STATISTICS
First Semester Mid-Semester Examination (2015) Solutions
INTRODUCTORY STATISTICS FOR BUSINESS AND
FINANCE
(STAT7055)
Writing period: 1 1/2 hours duration
Study period: 10
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 duration
Study period: 15 minutes duration
Permitted materials
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: 1 1/2 hours duration
Study period: 10 minutes duratio
RESEARCH SCHOOL OF FINANCE, ACTUARIAL STUDIES
AND APPLIED STATISTICS
Second Semester Final Examination (2012)
FINANCIAL STATISTICS
(STAT7055)
Writing period: 3 hours duration
Study period: 15 minutes duration
Permitted materials: Non-programmable calculat
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 random. Find the
probability of the following events.
a. T
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 sampling distribution of
the mean?
(a)If we take repeated
STAT7055
Tutorial Week 5
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 random. Find the
probability of the following events.
a. The student
SCHOOL OF FINANCE AND APPLIED STATISTICS
STAT7055
Tutorial Week 9
Question 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 73 breakdowns, an average time of
STAT7055
Tutorial Week 7
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 intraocular
pressure of 20 mmHg. Assuming the population standard deviation
STAT7055
Tutorial Week 2
This tutorial will give you experience in identifying variables and their types. From
lectures, you should remember that there are different tools appropriate to different
types of data, and so it is important to be able to identi
STAT 7055
Tutorial Week 4
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 results being
independent of each other.
(a) Define the random v
STAT7055
Tutorial Week 3
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 Grade
in Marketing
of A in Marketing
Achieve a grade of A 0.06
0.
SCHOOL OF FINANCE AND APPLIED STATISTICS
STAT7055
Tutorial Week 10
Question 1
It is stated that a new email system takes on average 95 seconds to deliver a message.
A user group complains that this is not so on average it takes longer than 95
seconds. The
SCHOOL OF FINANCE AND APPLIED STATISTICS
STAT7055
Tutorial Week 12
Question 1
Tipsy McStagger is a first year university student at the ANU who lives in a group
house not far from the ANU campus. Below is a summary of the relationship
between the number o
STAT7055
Tutorial 6
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 sampling distribution of the mean?
Question 2
For a population comp
STAT7055
Tutorial Week 2 Solutions
Question 1
An investigation into computer network usage keeps extensive daily records for three
weeks. These records include the time each user logs on, the length of time each
user is logged on, the location of the user
SCHOOL OF FINANCE AND APPLIED STATISTICS
STAT7055
Tutorial Week 9 solutions
Question 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 73 breakdowns, an
avera
STAT7055 Semester 2 2016
Week 10 Tutorial Questions
1. You are interested in whether investment returns from ethical or socially responsible
investments are higher than other, more general investments (ethical or socially responsible investment favours co
STAT7055
Introductory Statistics for Business
and Finance
This course aims to facilitate an understanding of basic statistical techniques used for the
analysis of financial and investment data.
Mode of Delivery
On campus
Prerequisites
NA
Incompatible Cour
Appendix 3: Solutions to Exercises
Below are detailed solutions to the exercises at the end of Chapters 2e12.
As explained in the text, there are often many ways to formulate the equation of
value for a particular cash-ow stream. Care has been taken to pr
Appendix 2: The Solution of Non-linear
Equations
The problem of nding the solution (or solutions) of a non-linear equation
occurs in many branches of mathematics. In compound interest problems,
such an equation is often in a polynomial form (but this is n