Definition
Statistics is the science of collecting , organizing, presenting, analyzing and interpreting numerical data for the purpose of assisting in making an effect decision.
Main Components involved in Statistics
- Collecting Data
- Organizing Data
- Presenting
- Analysis
- Interpreting
Procedures for Data Collection
- Experiments: a process that produces a single outcome whose result cannot be predicted with certainty.
- Telephone Survey: this involve closed end questions and demographic questions.
- Written Questionnaire: its like telephone survey but difference is that it includes open-ended questions.
- Mail questionnaire: its similar to written questionnaire but the difference is that it is sent through emails.
- Direct observation and personal interview: data collected are physically observed and the data recorded based on what takes place in the process.
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