BUS003
Statistics for Business

This is the Associate Degree (AD) level course on business statistics (商業統計).
To our students: If you haven’t done so, please read our rules for the course first.
To our students: Please ask your teacher for your username and password to access the links below.
What is this course about?
This course introduces the basic and relevant statistical concepts and techniques to students. Thereby it enables students to apply these concepts and techniques to practical problems across different business functional areas. The emphasis is on practical applications and real-world problem solving. Areas covered include: descriptive statistics, probability, inferential statistics, regression and correlation, and the use of a statistical software package.
General Information
- Course Syllabus [pdf]
- Course announcements
- Instructors: Cheung Ho Yin, Justin Lam
Lecture Materials
- Chapter 1: Introduction to Statistics [Download]
- Demo [Download] - Chapter 2: Charts and Graphs [Download] (Updated on 20070126 to fix the printing problem of some charts.)
- Reference: [Pareto Chart Reference][Pareto Principle - Wikipedia] - Chapter 3: Descriptive Statistics [Download] (Added on 20070208: further explanation of the formula for median of grouped data.)
- Chapter 4: Probability [Download]
- Chapter 5: Discrete Distributions [Download]
- [Demo Excel file] - Chapter 6: Continuous Distributions [Download]
- Chapter 7: Sampling and Sampling Distributions [Download]
- Additional reference: Binomial distribution (and the relationship with sample proportion) - Chapter 8: Statistical Inference: Estimation for Single Populations [Download]
- Chapter 9: Statistical Inference: Hypothesis Testing for Single Populations [Download]
- Additional reference: [Three Different Ways of Comparisons in Hypothesis Testing] - Chapter 10: Statistical Inferences about Two Populations [Download]
- Ch08 to Ch10 Summary: [Download] - Chapter 11: Analysis of Variance and Design of Experiments [Download]
- Demo [Download] (Demo version 3: updated on 28 Apr 2007) - Chapter 14: Simple Regression Analysis [Download]
- Demo [Download] (Demo version 2: updated on 30 Apr 2007)
Useful References
- Introduction to Statistics and Probability: On-line Tutorial
- Statistics functions of calculators (from 黃Sir的計算機網頁)
Homework Assignmentssssss
Students are reminded to submit all the homework assignments on time. Late submission would lead to a 20% mark deduction per day.
In-class exercise for the first week (done in class, no need to submit)
Lab assignment for Chapter 2: Histogram [source file]
Happy New Year Assignment with Answers
Homework assignment for chapters 4, 5, 6 (due on 28 March 2008) (Q7 modified)
[Questions with Solutions][Comments]
Revision assignment on inferential statistics (with answers, no need to submit but strongly recommended)
Test and Examination
- Information about test and examination [pdf]
- Formula sheet to be provided in the tests and exams
- Tables - the full set of statistics tables
- Test paper (with answers on the last page) [pdf]

