ETX1100/ETF5900
Tutorial 5
The normal distribution SOLUTIONS
Part A
A5.1. Instructions for the use of the normal distribution functions NORM.S.DIST,
NORM.S.INV, NORM.DIST, and NORM.INV are provided in section E4.4 of the
Excel notes in the Software Inform

ETF5900 TUTORIAL 3 SOLUTIONS
PART B (To be completed during the tutorial):
B3.1
PlanFinan Pty Ltd
PlanFinan is a financial planning organisation. The data in PlanFinan.xlsx was obtained from
PlanFinans database of a particular group of clients. Definition

ETF5900 Business Statistics
Tutorial 6
PART A (To be completed for homework and submitted online by 4pm the day before your
Week 6 tutorial)
A6.1:
A manufacturing company produces steel housings for electrical equipment. The main
component of the housing

Week 8
People sell the infant milk powder to China, which makes Chinese baby better off and causes the
milk powder shortage in Australia. However, it also improves the local economic to some extent
So, can we say it is the Pareto improvement?

Question A3.1
(a) (14+6)/100 = 20% of the insured employees are older than 50 years of age.
(b) (21+14+6)/100 = 41% of the term policies carries a face value of $40,000 or less.
Question A3.2
(a)
Extended warranty
Price
Purchased (W)
Not purchased
(W)
Tot

1.multiplechoice
Themeanisequaltothemedianinnormaldistribution
A. True
B. False
2.multiplechoice
AstudentsgradeonanexamwastransformedintoaZvaluewhichwasnegative.Thistellsusthat
thestudentscored
A. higherthan16%oftheclass
B. higherthan45%oftheclass
C. abov

1
Solutions for Sample Exam 2
.Question 1 [3+4+3 = 10 marks]
1. A credit card companys records show that 5% of their customers fail to pay the minimum
repayment on their credit card each month. The companys records also show that among
their customers in

Office Use Only
Monash University
Sample Exam 3
EXAM CODE:
TITLE OF PAPER:
ETF5900
BUSINESS STATISTICS
EXAM DURATION:
3 hours writing time
READING TIME
10 minutes
THIS PAPER IS FOR STUDENTS STUDYING AT: (office use only tick where applicable)
Berwick
Clay

ETX1100/ETF5900 Business Statistics
2015 Semester 1
Week 02: Pivot Tables
Pre-Class Exercises
Week 02 is the first week of our flipped classroom approach.
The activities associated with the Week 02 Pivot Tables topic consist of
completing these Week 02 P

ASSESSMENT COVER SHEET
(Surname)
Students name
Students I.D. number
Unit name
Title of assignment
(Given names)
Phone number
Business Statistics
Unit code
ETF5900
Assignment 1: Descriptive Statistics
Name of lecturer
Name of tutor
Tutorial day /time
Due d

Question 1:
During the past decade many smokers have attempted to quit.
Unfortunately, nicotine is highly addictive. A researcher from the Addiction
Research Council wanted to determine why some people quit for good while
others relapse. He surveyed 100 p

1
Lecture Five
ETF5900-BEX5950
BUSINESS STATISTICS
Confidence Interval Estimation
Mean
Proportion
Textbook references:
Berenson et al Basic Business Statistics 4th edition,
Chapter 8 Sections 8.1, 8.2, 8.3
Chapter 7, Section 7.3.
Estimation of the populat

Part A
A.1
a.
b.
c.
d.
df=(r-1)(c-1)=(5-1)(6-1)=20
x^2crit = 37.566
X^2crit = 31.410
If the x^2 calc is greater than critical value, we can reject Ho. The sample does provide
enough evidence to against Ho. That is, the two attributes are dependent.
A.2
TA

Assignment
Question 1
a). Is this data cross-sectional or time series? Explain your answer.
The data of CEO Compensation 2008 is cross-sectional.
The data collects at the same time.
b). State what type of data each of the variables below are, i.e. categor

ETF2700/ETF9700 Mathematics for Business
WEEK 02 Tutorial Exercises
(Week 01 lecture content)
Tutorials deal with only a SAMPLE of the units content. You are expected to do all of the
relevant readings and exercises as outlined in the Weekly Schedule.
If

ECF5953 2015 Semester 1
Tutorial11
Chapter 33 Problems and Applications 11
a
If firms become very optimistic about future business conditions and invest a lot, the result is
shown in Figure 33.9. The economy begins at point A with aggregate-demand curve A

ECF5953 2015 Semester 1
Tutorial 10
Chapter 31 Problems and Applications 6
a
b
c
d
Australian cattle growers who export their beef overseas would not be happy if the Australian
dollar appreciated. They would then get less Australian dollars for each unit

Lecture One
ETF5900
Business
Statistics
2
DESCRIPTIVE STATISTICS I
Introduction and Data Collection
Presenting Univariate Data in Tables and Charts
Textbook references:
Berenson et al Basic Business Statistics 3e,
Chapter 1, all
Chapter 2, 2.1 2.4, 2.6
3

Solutions for Sample Exam 3
Question 1
A television cable company receives numerous phone calls throughout the
day from customers reporting service problems as well as from potential
customers. Most of these callers are put on hold until an operator is av