Introduction to Statistics (Data Management)

It is a discipline concerning the collection, organization, analysis, interpretation and presentation of data.

• Statistics

• Business Mathematics

• Algebra

• Geometey

It is used to describe the basic features of the data in a study.

• Survey Method

• Case Study

• Descriptive Statistics

• Inferential Statistics

It is a statistical method which tries to reach conclusions that extend beyond the immediate data alone.

• Descriptive Statistics

• Inferential Statistics

• Probability

• Trigonometry

Any characteristic of an individual that can take different values for different individuals.

• Variable

• Constant

• Population

• Sample

A number or symbol used to classify a measurement.

• Nominal

• Ordinal

• Interval

• Ratio

Military rank is an example of this scale of measurement.

• Nominal

• Ordinal

• Interval

• Ratio

Measurement in heights is a very good example of this scale measurement

• Nominal

• Ordinal

• Interval

• Ratio

A type of data where zero is arbitrary.

Example: Temperature in Fahrenheit and Celcius.

• Nominal

• Ordinal

• Interval

• Ratio

These are data that approximates and characterizes. They can be observed and recorded.

• Quantitative

• Qualitative

• Primary

• Secondary

These are data generated by the researcher himself/herself.

• Quantitative

• Qualitative

• Primary

• Secondary