DSC 2008 Business AnalyticsData and Decisions Tutorial 2 (Assignment 1) (2012-08)
This assignment is to be completed individually, and carries 10% of the final grade.
You may discuss with anyone, including lecturer and tutors, but cannot look at any other

Section A (45 marks)
Circle the most appropriate answer to the following questions:
The HR group for a company collected data detailing the educational level of the companys
employees. They found that 170 have no degree (None), 38 have a polytechnic diplo

Business Analytics 2
Tutorial 2
TUNG Yi-Liang, Eli
1
Todays outline
1.
Finish the questions of tutorial 1
Pivot table analysis
2.
Recap Week 3s lecture
3.
Go through Assignment 1
2
Recap
Hypothesis testing
Compare means of different groups
One-sample test

ClusterAnalysis 2
Authored by Chen Ying
Used by Li Jialiang
Department of Statistics & Applied Probability
Modified from excellent slides of Eamonn Keogh, Ziv Bar-Joseph, Nick Bild and
Andrew Moore
Faculty of Science
Department of Statistics & Applied Pro

AutoRegressive (AR) Models
Authored by Chen Ying
Used by Li Jialiang
Department of Statistics & Applied Probability
Faculty of Science
Department of Statistics & Applied Probability
Review: Smoothing methods
Data: STI daily close prices from 1987/12/28 to

DSC2008 Business Analytics Data and Decisions
SEM 2, AY2014/2015
Tutorial 10
Question 1.
The car data set T10_car.xlsx is from Chambers, Cleveland, Kleiner and Tukey
(1983). It consists of 13 variables measured for 74 car types. The variables are
as follo

ARMA model and Unit Root
Authored by Chen Ying
Used by Li Jialiang
Department of Statistics & Applied Probability
Faculty of Science
Department of Statistics & Applied Probability
ARMA(1,1) model
ACF and PACF of ARMA(1,1) models
the
For
ARMA(1,1),
both th

Introduction to Time Series
Authored by Chen Ying
Used by Li Jialiang
Department of Statistics & Applied Probability
Faculty of Science
Department of Statistics & Applied Probability
Big Data
Lots of data is being collected and warehoused
Web data, e-comm

MR Methods
&
Smoothing Methods
Authored by Chen Ying
Used by Li Jialiang
Department of Statistics & Applied Probability
Faculty of Science
Department of Statistics & Applied Probability
1.Collect relevant time series data,
either from a survey, from compa

Peters Pizza Problem
DSC2008
LECTURE 3 RECAP/SUMMARY
Peter's Pizza Problem
OLD
NEW
Peter's Pizza Problem
100 randomly selected
customers
Includes old style and new style
pizza
Rate the difference
-10 (old)
0 (neutral)
+10 (new)
Peter's Pizza Problem
N

ARMA model and Unit Root
Chen Ying
Department of Statistics & Applied Probability
Faculty of Science
Department of Statistics & Applied Probability
ARMA models
A model may have both autoregressive and moving average
components. Autoregressive Moving Avera

Kate Beckinsale turns heads and gives vampires seme sex appeal in Underwerid cfw_2003).
Vampires, Vampires,
EVCIYWhelel By Jeffrey Andrew Weinsteck
series Tree Bleed, frem the
alternative reek band Vampire
Weekend be the TV series T he Veeipire
Dieries in

Forensic Pathology and the European Vampire
Author(s): Paul Barber
Source: Journal of Folklore Research, Vol. 24, No. 1 (Jan. - Apr., 1987), pp. 1-32
Published by: Indiana University Press
Stable URL: http:/www.jstor.org/stable/3814375
Accessed: 08-08-201

Blood Relations: The Gothic Perversion of
the Nuclear Family in Anne Rices
Interview with the Vampire
C A N D A C E R. B E N E F I E L
GOTHIC FICTION IN LATE TWENTIETHcentury America, the seminal figure of the vampire wanders in
ever-increasing numbers. M

DSC 2008 Business AnalyticsData and Decisions Tutorial 2 (Assignment 1) (2013-02)
This assignment is to be completed individually, and carries 10% of the final grade.
You may discuss with anyone, including lecturer and tutors, but cannot look at any other

The Aswang Syncrasy in Philippine Folklore
Author(s): Maximo Ramos
Reviewed work(s):
Source: Western Folklore, Vol. 28, No. 4 (Oct., 1969), pp. 238-248
Published by: Western States Folklore Society
Stable URL: http:/www.jstor.org/stable/1499218 .
Accessed

DSC2008 Business Analytics Data and Decisions
SEM 2, AY2014/2015
Tutorial 7
Question 1.
According to a Morgan Stanley report in March 2008, the annual demand for
hybrid cars in the US is expected to reach 1.2 million in 2015; this estimate
also included 2

DSC2008 Business Analytics Data and Decisions
SEM 2, AY2014/2015
Tutorial 8
Question 1.
Unemployment rate is calculated as a percentage by dividing the number of
unemployed individuals by all individuals currently in the labor force. During
periods of rec

DSC 2008 Business AnalyticsData and Decisions Tutorial 2 (Assignment 1) (2012-08)
This assignment is to be completed individually, and carries 10% of the final grade.
You may discuss with anyone, including lecturer and tutors, but cannot look at any other

DSC 2008 Business AnalyticsData and Decisions Tutorial 2 (Assignment 1) (2013-02)
This assignment is to be completed individually, and carries 10% of the final grade.
You may discuss with anyone, including lecturer and tutors, but cannot look at any other

DSC2008 Business Analytics Data and Decisions
SEM 1, AY2015 /2016
Assignment 2
Use data named after your student ID.
Download your individual data from IVLEWorkbinHW2Data. Your data
consists of 4 columns, recording time, sales, investment gains and profit

5.5
5.3
5.1
4.9
4.7
Practicality Score
4.5
4.3
4.1
3.9
3.7
3.5
1.0
2.0
3.0
4.0
Road Handling Groups
Q1)
Method 1
The boxplot, for 4 groups of 50 road handling position each, tells us that cars with
higher road handling rankings does not tend to have a hig

DSC2008
NATIONAL UNIVERSITY OF SINGAPORE
DSC2008 BUSINESS ANALYTICS DATA & DECISIONS
(Semester 1 AY2013/2014)
Name of examiners: Assoc Prof. Quek Ser Aik/Dr. Chen Ying
Time Allowed: 2 Hours
INSTRUCTIONS TO CANDIDATES
1. Please write only your student numb

DSC2008
NATIONAL UNIVERSITY OF SINGAPORE
DSC2008 BUSINESS ANALYTICS DATA & DECISIONS
(Semester 2 AY2012/2013)
Time Allowed: 2 Hours
INSTRUCTIONS TO CANDIDATES
1. This examination paper comprises Nineteen (19) printed pages.
2. Answer ALL questions. Write

DSC2008
NATIONAL UNIVERSITY OF SINGAPORE
DSC2008 BUSINESS ANALYTICS DATA & DECISIONS
(Semester 1 AY2012/2013)
Time Allowed: 2 Hours
INSTRUCTIONS TO CANDIDATES
1. This examination paper comprises Fifteen (15) printed pages.
2. Answer ALL questions. Write l

DSC2008 BUSINESS ANALYTICS DATA & DECISIONS
(Semester 2 AY2011/2012)
Section A (40 marks)
It is possible to get full marks on a question without answering exactly as outlined here.
Circle the most appropriate answer to the following questions:
1. Which fo