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Group: Guo Tianhan, Hu Chenwei, Liu Siwei
Q1.5:
Amount of time spent shopping in the bookshop is Numerical(Continuous) and ratio
data.
Number of textbooks purchased is Numerical(Discrete) and ratio da
Guo TianHan 5613000
Liu Siwei 5340615
HuChenwei 5593098
Zhao Xinyan 5332291
5.3
B
E(X) = 0 X 0.08 + 1 X 0.2 +.+10 X 0.016 + 11 X 0.004 = 3.056
C)
=
x 0.08 + . +
x 0.004 = 1.5687
5.19
An:
a
i:An: using
Guo TianHan 5613000
Liu Siwei 5340615
HuChenwei 5593098
Zhao Xinyan 5332291
Chapter 6
6.7
a.
b.
c.
d.
P(X < 2500) = P(Z<(2500-3325/1500)=-0.55
P(z<-0.55)=0.2912
P(x>5000)=P(Z>5000-3325/1500)=1-0.8686=
1.20
a. Bar charts
b. Summary table
c. Pie charts
3.9
a.
Mean:
=
n
x
x
i 1
i
n
=
2.4 1.5 3.9 0.6 2.7 3.1 2.8 0.9 1.4 2.6 1.4 6.1
12
=2.45
Median:
Put these data in order is
0.6 0.9 1.4 1.4 1.5 2.4 2.6
COMM121
(Statistics For Business)
UNIVERSITY OF WOLLONGONG
FACULTY OF BUSINESS
Tutorial 1 Solutions Spring Session 2015 (Week 3 Beginning 10 August)
Chapter 1
1) What is the difference between a sampl
STA219 Statistical Methods
May2016
Learning Outcomes
By the end of the class, successful students should be
able to:
Identify various pictorial and tabular methods in
descriptive statistics such as
STA219 Statistical Methods
May2016
Learning Outcomes
By the end of the class, successful students should be
able to:
Explain numerical descriptive measures
Explain the measures of location: mean, medi
STA219 Statistical Methods
Jan-2017
Learning Outcomes:
By the end of the class, successful students should be
able to:
What is Statistics
Lesson 1
Explain the meaning of statistics
Explain key statist
STA219 STATISTICAL METHODS
May2016
Learning Outcomes
By the end of the class, successful students should be
able to:
Know the measurement used to measure the degree of skewness
for a distribution
Expl
Group Assignment
Diet Article
a. What is the study about?
The consumption of fruits and vegetables of an adult aged 18 and above in a day.
b. If you were to give a title to this report, what will be t
Methodology
Our target population for this survey is people from Kuala Lumpur City. Based on the
Kuala Lumpur Population Data from the World Population Review, Kuala Lumpurs
population for the year 20
STA219 JAN2017
PEER EVALUATION & REFLECTIONS GROUP ASSIGNMENT
Rate each individual group member using a scale of 1 10 (any number between 1 10 inclusive). You MUST explain your reasons for the assigne
Group Activity: Assigning Probabilities using Empirical and Classical
Approach.
(3%)
Random Experiment: Tossing of 2 dice
Events:
A: the red die shows odd number.
B : the blue die is less than 4.
C: t
Participation in Sports
What is your gender?
o
o
Male
Female
What is your age?
Does sports interest you?
o
o
Yes
No
Do you think sports is fun and enjoyable?
o
o
Yes
No
Are you actively involved in sp
Self Practice Questions on Chapter 9.
Instructions: Kindly answer all questions in a piece of paper showing your complete working. There are 4
questions only which covers chapter 9. Kindly revise befo
QUANTITATIVE METHOD
SAMPLE TEST 2
Answer all the questions
1. The following table gives the probability distribution for the random variable Y.
(i)
What is the mean number of the distribution.
(2 mark
SAMPLE TEST 1
Answer all the questions.
1.
The following data shows the distribution of yearly earnings of a random sample
of 200 families in a city in year 2003.
Range of Income
($000)
30 and under 4
Sameer Bernard J15019197D1
Tutorial 3
1. A Heuristic is a technique designed for solving a problem more quickly when
classic methods are too slow, or for finding an approximate solution when
classic m
EXERCISE Chapter 1
a)
To investigate the traffic conditions between Kuala Lumpur and Seremban on the PLUS
highway, the following data were collected.
For EACH of the parts, from (i) to (vi) below, you
SAMPLE QUIZ 1
Answer all questions
1. The age of 25 stockbrokers are as follows:
50
36
49
64
52
28
32
54
42
55
44
38
41
66
45
44
47
24
59
46
51
58
61
47
57
Calculate
a) The mean
b) The median
c) The m
Represent the following statements using logical connectives:
a) If today is Monday then tomorrow then I have a Math quiz.
b) Salary increases if and only if you work hard.
Let A = cfw_2,6,8,10,12,14,
Chapter 10
Question 1
Short term
memory
Definition
Retention of information
that undergoes little
processing or
interpretation and can be
recalled for only a few
seconds.
Long term
memory
information
Names
Mohamad Shuqiran Bin Musni
Bryan Choong Jun Hong 5630630
Subaash Chandran
Ng Kyle Wei 5503449
Chapter 1
Question 1.5
a) Numerical. It is a discrete variable. You can count the hours spent shoppi
Lab 5: Time series
1. Trend projection (to forecast the values of a time series that exhibits a long-term
linear trend).
Data: bicycle sales.
Year
1
2
3
4
5
6
7
8
9
10
Sales (1000s)
21.6
22.9
25.5
21.
F
O
S
E
L
P
I
C
PRIN
E
C
N
A
FIN
Fangjiying (Annie)
Shenjinyu (Hannah)
Chenweili (william)
Three companies
SUNWAY
APEX
ALUMINIUM
Average weekly return:
Determine the original value of the asset. T
The Effects of Stress
There is a famous expression in English: "Stop the world, I want to get off!" This
expression refers to a feeling of panic, or stress, that makes a person want to stop whatever t
Through this short term I learned a lot of knowledge about finance, although I
am not interested in finance, finance for me is a very difficult course, a headache
course. But through the 2 months of s