The Hong Kong University of Science and Technology
Elementary Statistics for Social Research
SOSC 1100

Fall 2016
SOSC 1100/Fall 2016
Assignment 3
(Due on 11/29)
General Guidelines
You are encouraged to form study groups of 56 for class preparation and assignments.
Yet every student should complete and submit assignments independently.
All results ought to be pres
The Hong Kong University of Science and Technology
Elementary Statistics for Social Research
SOSC 1100

Fall 2016
SOSC 1100/Fall 2016
Assignment 2
(Due on 10/25)
General Guidelines
You are encouraged to form study groups of 56 for class preparation and assignments.
Yet every student should complete and submit assignments independently.
All results ought to be pres
The Hong Kong University of Science and Technology
Elementary Statistics for Social Research
SOSC 1100

Fall 2016
Great Ideas in Science
Mathematics 1: Number
Min Yan, Department of Mathematics
http:/www.math.ust.hk/~mamyan
1.1 What is Number?
What is Number
What is Number
Critical Thinking: Imagine the very beginning
Number grew out of human need, and became more s
The Hong Kong University of Science and Technology
Elementary Statistics for Social Research
SOSC 1100

Fall 2016
SCIE1110
Great Ideas in Science
Fall 2012
Solution: Assignment 4
sh
Th
is
ar stu
ed d
vi y re
aC s
o
ou urc
rs e
eH w
er as
o.
co
m
Exercise 13: Given two rulers, A and B. Both rulers have only two
markings. The two ma
The Hong Kong University of Science and Technology
Elementary Statistics for Social Research
SOSC 1100

Fall 2016
SCIE1110
Great Ideas in Science
Fall 2012
Assignment 1
Exercise 1: Proposition 2 of Euclids Elements is to draw a segment of given
length at a given point. The proof seems to be more complicated than
necessary. Can you explain why Euclid did in this way?
The Hong Kong University of Science and Technology
Elementary Statistics for Social Research
SOSC 1100

Fall 2016
Times to start a business
Differences
5
5
5
5
6
7
7
7
8
12
12
13
13
15
18
18
27
28
36
48
52
60
66
94
Min
Q1
Median
Q3
Max
Standard deviation
IQR
1.5 IQR
1.5 IQR rule
New max
5
2
6
21
60
33.5
32
Time to start a business
0
Descriptive statistics
Mean
Stand
The Hong Kong University of Science and Technology
Elementary Statistics for Social Research
SOSC 1100

Fall 2016
Social Statistics
(SOSC 1100)
Fall 201617
Hongbo Wang
Producing Data
Producing Data
2012 W.H. Freeman and Company
Data sources
Available data are data that were produced in the past for some
other purpose but that may help answer a present question
inex
The Hong Kong University of Science and Technology
Elementary Statistics for Social Research
SOSC 1100

Fall 2016
Social
Statistics
(SOSC 1100)
Fall 201617
Hongbo Wang
Looking at DataDistributions
Summary Statistics
2012 W.H. Freeman and Company
Describing distributions with
numbers
We describe the shape of the distribution of a
quantitative variable based on inspe
The Hong Kong University of Science and Technology
Elementary Statistics for Social Research
SOSC 1100

Fall 2016
Social
Statistics
(SOSC 1100)
Fall 201617
Hongbo Wang
Looking at DataDistributions
Density Curves and
Normal Distributions
2012 W.H. Freeman and Company
3
Exploring Quantitative
Data
We now have a kit of graphical and numerical tools for describing dist
The Hong Kong University of Science and Technology
Elementary Statistics for Social Research
SOSC 1100

Fall 2016
Region
Revenue Age
West
West
East
West
West
South
West
West
West
West
Mid West
Mid West
Mid West
West
Mid West
West
West
South
$45.90
$19.95
$21.95
$19.95
$79.80
$79.80
$59.85
$139.65
$119.70
$43.90
$43.90
$99.75
$114.75
$91.80
$114.75
$22.95
$124.75
$19.
The Hong Kong University of Science and Technology
Elementary Statistics for Social Research
SOSC 1100

Fall 2016
SOSC 1100/Fall 2016
Assignment 1
(Due on 9/27)
General Guidelines
You are encouraged to form study groups of 56 for class preparation and assignments.
Yet every student should complete and submit assignments independently.
All results ought to be prese
The Hong Kong University of Science and Technology
Elementary Statistics for Social Research
SOSC 1100

Fall 2016
Social Statistics
(SOSC 1100)
Fall 201617
Hongbo Wang
Associations Between Variables
2
We have been conducting univariate analysis. Many interesting examples of
the use of statistics involve relationships between pairs of variables.
Two variables measure
The Hong Kong University of Science and Technology
Elementary Statistics for Social Research
SOSC 1100

Fall 2016
Social
Statistics
(SOSC 1100)
Fall 201617
Hongbo Wang
Textbook:
Moore, David S., George P.
McCabe and Bruce A. Craig.
2014. Introduction to the
Practice of Statistics. (8e.)
New York: W. H. Freeman &
Co.
Introduction to the Practice of
STATISTICS
EIGHTH
The Hong Kong University of Science and Technology
Elementary Statistics for Social Research
SOSC 1100

Fall 2016
Social Statistics
(SOSC 1100)
2016 Fall
Hongbo Wang
1
What Pops up in Your Mind When
You Hear the Term Statistics?
2
Observations & Facts in
Numbers?
The birth rate (CBR) in 2009 dropped from 2007
in the United States
In
fact, the rate dropped 2.7% despi