MMW - Lesson 1

• COLLECTION OF INFORMATION from facts, statistics, numbers, characteristics, observations, and measurement that represents an idea.

  Data
• Two forms of Data


  Quantitative and Qualitative
• Form of a data that deals with QUANTITY.

  Quantitative Data
• Form of a data that deals with DESCRIPTION of things. It can be OBSERVED but NOT MEASURED.

  Qualitative Data
• Four levels of measuring data:

  Nominal, Ordinal, Interval, Ratio
• Categorical variables that has the LOWEST LEVEL of measurement.

  Nominal Data (Qualitative)
• Categorical variables that represents an ORDER(RANKING).

  Ordinal (Qualitative)
• Level of measurement that has NO TRUE ZERO POINT.

  Interval (Quantitative)
• It is the HIGHEST LEVEL OF MEASUREMENT and has a TRUE ZERO POINT.

  Ratio (Quantitative)
• Civil Status 


  Nominal
• Sex/Gender 


  Nominal
• Religion 


  Nominal
• Level of Satisfaction 


  Ordinal
• Quality of Life 


  Ordinal
• Likert-scale responses


  Ordinal
• Socio-economic Status 


  Ordinal
• Educational Level


  Ordinal
• ID Number 


  Nominal
• Temperature 


  Interval
• Intelligence Quotient (IQ) 


  Interval
• Longitude and Latitude


  Interval
• Weight of a Child

  Ratio
• Number of Vaccinations 


  Ratio
• Age , Income , Distance

  Ratio
• Interview Method


  Direct Method
• Questionnaire Method 


  Indirect Method
• In an interview, the interviewer gets data through a ...


  series of questions
• Questionnaires may be sent through the...

  postal or electronic mail
• Example of an indirect method


  Survey Method
• Usually done through experiments in a laboratory or classroom

  Experimentation
• Gathering data through the use of our senses

  Observation
• Acquiring data from private and government agencies.

  Registration
• Enforced by law 


  Registration
• LTO, Department of Finance, BSP, NSO

  Registration
• A data can be summarized through: 


  Frequency or Number of Measurements

  Relative Frequency or Proportion

  Percentage of Measurement
• Ways of Presenting Data

  Textual Form

  Tabular Form

  Graphical Form
• Data presented in PARAGRAPH and NARRATIVE form.


  Textual Form
• Data presented in ROWS and COLUMNS.

  Tabular Form
• Data presented in GRAPHICS, PICTURES, AND CHARTS.

  Graphical Form
• ARRANGEMENT OF NUMERICAL DATA according to SIZE AND MAGNITUDE with corresponding frequencies and class mark.

  Frequency Distribution Table