Statistic & Basic Terminology

Statistic
- can be defined as the science of collecting, describing and interpreting data.
- provides a process of managing a data in terms of choosing the correct statistical technique.

Inferential Statistic
- conclusions of what the results indicates and allow researcher to generalise the characteristic of a population from the observed characteristic of a sample.

Descriptive Statistic
- description of something happen in the particular study.

Population
- collection of individual or objects that must be analysed based on the nature of the study.

Sample
- part of the population and will be classified by each sampling technique.

Data
- can be in form of facts, observation and information that being gathered by doing an investigations.
- it also divide into two types which is quantitative and qualitative data.

Variable
- is any object that can take on difference values.
There is a lot of variables that being used:
- Categorical : nominal & ordinal
- Numerical : interval & ratio

Mode
- most frequent score occur in the distribution list.

Median
- is the score that divides the set of data into half. Median also can be defined as the score at the 50th percentile in the distribution.

Mean
- the most common measure of the central tendency and it can be mathematically manipulated.

by - Hanis Jefry

References

Book

Pallant, J. (2013). SPSS survival manual: A step by step guide to data analysis using  SPSS (5th ed.). Maidenhead: Open University Press/McGraw-Hill.

Websites

http://bobhall.tamu.edu/FiniteMath/Module8/Introduction.html

http://data-planet.libguides.com/dataterminology