Notes

# Statistics (Notes)

Text Update : January 16, 2021

#### Department

• Statistics was offered as an Option at the Economics Department, Rangoon University.
• Statistics became a separate Department under the Faculty of Social Science.
• Statistics later became a Department of the Institute of Economics.
• In the early days, some Rangoon University students (e.g. U Soe Myint, Chief Editor of Guardian, GBNF) graduated with the Triple Mathematics Option taking Pure Mathematics, Applied Mathematics and Statistics.

#### Professor

• Dr. Sundaram was the first Professor and Head of the Statistics Department.
He was a contemporary of Dr. Aye Hlaing and Saw William Paw.
• Dr. Khin Maung Nyunt succeeded Saya Dr. Sundaram.

#### Transfers

• U Thet Tun and U Kyaw Myint were key personnel at National Planning and CSO.
• Dr. Myint Tin transferred to Central Statistical Organization (CSO)
• U Htin Kyaw (Peter Wun) and U Tun Shwe transferred to UCC as Application Programmer/Analyst.

### Terminology / Concepts

#### Types of Statistics

• Parametric Statistics
• Non-Parametric Statistics.

Statistic used to mean an item of measurement or information.

Datum used to be the singular form of Data.

• Collecting
• Organizing
• Summarizing
• Presenting
• Analyzing

#### Measures

• Mean (Average)
• Median (Middle)
• Mode (Highest occurrence)
• Standard Deviation
• Skewness

An old joke: “Have you heard about the Statistician who was drowned while trying to cross a river with an average of three feet?”

#### Tests and Tools

• There are Statistical Tests.
The tests use “significance level” to accept or reject a hypothesis.
There may be Positive and Negative Errors.
• An early program is called SPSS (Statistical Package for the Social Science).
• Several programming languages (e.g. Python, R) have libraries, modules and functions to perform statistical calculations and tests.
• Machine Learning (a branch of Artificial Intelligence) uses various Statistical Programs and Tools.

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