COMMERCE7033
Quantitative Methods
Formula Sheet
November Exam 2013
Univariate Sample Description
1 n k
kth sample moment m[ k ] = xi
n i =1
1 n
kth sample central moment cm[k ] =
xi x
n i =1
skew = c
Quantitative Methods
One Sample Hypothesis
Tests
David Du
Business School
The University of Adelaide
3510-COMMERCE-COMB-INED-0004-SEMESTER1-2015
Contents
1
2
3
4
5
6
7
Logic of Hypothesis Testing
Stat
POSTGRADUATE
Examination Paper Semester 1, June 2015
102322
QUANTITATIVE METHODS (M)
COMMERCE 7033
Official Reading Time:
Writing Time:
10 mins
180 mins
Total Duration
190 mins
Instructions to Candida
Quantitative Methods (M)
2016 Semester 1 Sample Exam Solutions
Section A: 20 Multiple Choice Questions
1. Which of the following is false?
A. Sampling error is the difference between the true paramete
Quantitative Methods (M)
2014 Semester 1 Sample Exam
Disclaimer:
Dear Students,
Please be aware that (as the title of this paper suggests) this is only a sample
examination paper. As you are all now a
I. Z VQ apter . Hurling sniimiimrs mri Estimation 305 -
TABLE 8.5
Sample Mean ()7) Frequency Relative Frequency
0.0 1 0.0625 Sampling Distribution
0.5 2 0.1250 ofX for n = 2
1.0 3 0.1875
1 .5 4 0.2
1. The position of the median is
A) n/2 in any sample.
B) n/2 if n is even.
C) n/2 if n is odd.
D) (n+1)/2 in any sample.
Answer: D
Feedback: This formula always works for the median position.For exam
Quantitative Methods (M)
2014 Semester 1 Sample Exam
Disclaimer:
Dear Students,
Please be aware that (as the title of this paper suggests) this is only a sample
examination paper. As you are all now a
Quiz 5 (Week 9)
1. Which of the following is incorrect?
A) The level of significance is the probability of making a Type I error.
B) Lowering both and at once will require higher sample size.
C) The p
POSTGRADUATE
In Class (Mid-term) Examination Paper
Semester 1, March 2015
QUANTITATIVE METHODS (M) & (H)
3510
COMMMERCE 7033
Dr Kai Du
Given Name: _ Surname:_ Student ID: _
Please circle the name of y
Quiz 4 (Week 7) answer guide
1. The Central Limit Theorem (CLT) implies that
A) the population will be approximately normal if n 30.
B) repeated samples must be taken to obtain normality.
C) the distr
'i Z
+1 72W" (xi/W76
g Chapter 9 One-Sample Hypothesis Tests 34? _
b. Approaching 03H e for landing, a Bri sh Air ight from London has been in a holding
pattern for 45 minutes due to bad weather. Land
Quiz 6 Answers (Week 10)
1. In a right-tailed test comparing two means with known variances, the sample sizes were n1
= 8 and n2 = 12. At = .05, the critical value would be
A) 1.960
B) 1.645
C) 1.734
1. A local trucking company fitted a regression to relate the travel time (days) of its shipments
as a function of the distance traveled (miles). The fitted regression is Time = 7.126 + 0.0214
Distanc
2/24/2017
Recall from last lecture
Quantitative Methods (M)
Sampling error is the difference between an estimate
and the corresponding population parameter. Example
for the sample mean:
Topic 6 The
Quantitative Methods (M) Tutorial 6 (Week 7)
Mid-term Exam Solutions
This weeks tutorials will cover the mid-term exam solutions. Your graded papers will be
returned to you in class, where the tutors
2/24/2017
The Logic of Hypothesis Testing
Topic 7 Hypothesis Testing and
Analysis
Reading: Doane & Seward Chapter 9
Chapter 9
Quantitative Methods (M)
Steps in Hypothesis Testing:
Step 1: State the as
Quantitative Methods (M) Tutorial 8 (Week 9)
Section Exercises from Doane & Seward 5th Edition.
Dear All,
You will notice that Ive included Chapter 10 questions in this tutorial although content from
Quantitative Methods (M)
Tutorial 4: Solutions
Tutorial 4 Solutions
Based on the table below we see that: E(X) = 57.5, V(X) = 506.25, = 22.5. The
6.2
distribution is skewed to the right.
Also
x
P(x)
x
7/27/2017
Overview
Quantitative Methods (M)
Learning Objectives
Topic 1 Quantitative Methods in
Context
This half lecture is intended to demonstrate (1) How you will use what
you learn this semester i
Quantitative Methods (M)
Semester 2, 2017
Sample midterm exam questions
Name: _
Student ID: _
Tutorial Day and Time: _
Tutors name: _
The following questions are an example of the format and coverage