LEC 4 Flashcards
The bulk of data that is collected from primary or secondary sources is still considered _______
raw data
It requires manual ______ and classifying of 4 responses taken from taped interviews, answered questionnaires, furnished registration forms, recorded observations, and results from an experiment.
Bulk of Data
After these manual enumerations, an _________ of organization and presentation should be used in order to arrive at a meaningful ______of data.
interpretation
Forms and Presentation of Data
- Textual
- Tabular
- Graphical Presentation
This form of presentation combines _____ and ________________ in a statistical report.
Textual
This form of presentation is better than textual form because it provides numerical facts in a more ______ and _____manner.
concise and systematic
Statistical tables are constructed to facilitate the _______of _______. Each class / subclass is assigned to a particular row or column and figures for various classifications are noted in appropriate calls.
analysis of relationships.
Tabular
Advantages of Tabular Presentation
- Brief
- Good grasp of quantitative relationship
- Whole Story
- Systemic arrangement
- Easier comparison
This form is the most effective means of organizing and presenting statistical data because the important relationships are brought out more clearly and creatively in virtually solid and colorful figures.
Graphical Presentation
Different Kinds of Graphs / Charts
- Line Graph
- Bar Graph
- Circle Graph or Pie Chart
- Picture Graph or Pictogram
- Map Graph or Cartogram
- Scatter Point Diagram
It shows relationships between two sets of quantities.
Line Graph
This is done by plotting point of X set of quantities along the horizontal axis against the Y set of quantities along the vertical axis in a Cartesian coordinate plane.
Line Graph
Those plotted points will be connected by a line segment which finally forms the ______.
It is often used to predict growth trends for a longer period of _____.
time
It consists of bars or rectangles of equal widths, either drawn vertically or horizontally, segmented or non-segmented.
Bar Graph
_______ is done by drawing rectangles with length ________ to the frequencies of observed items or magnitude of classes under study.
proportional