1.1 Introduction¶
Refers to describing data collected for decision-making.
Module Structure¶
- Types of Data
- Data Visualization
- Numerical Summaries
- Basic Probability
Statistics¶
- Collecting
- Analyzing
- Presenting
- Interpreting
Data Set¶
All data collected for a particular study.
Data¶
Data used for a specific purpose. A study/research may only use particular data from a data set.
Manipulating¶
Implies that the data is being altered or misrepresented.
Elements¶
An entity/object that data is being collected on.
Example: The households in the above data are the elements.
Variables¶
Attributes of the elements for which data is being collected.
Example: Ownership, location, family size, etc., are the attributes of the household for which data is being collected.
Observation¶
The entire set of data collected for one element. A set of all the variables of one element is called an observation.