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ANALYSIS, PRESENTATION, INTERPRETATION
OF DATA
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- Process of breaking up the whole study into constituent parts of categories. - To focus the essential features of the study ANALYSIS of data
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Having the same quality or kind
{ } QUALITATIVE Having the same quality or kind
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{ } QUANTITATIVE Grouped according to their quantity
{ } QUANTITATIVE Grouped according to their quantity -example: grouped into ages of 10-14, 15-19, etc.
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{ } GEOGRAPHICAL Classified according to their location
{ } GEOGRAPHICAL Classified according to their location -example: schools may be grouped by their district or division
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{ } CHRONOLOGICAL Classified according to the order of their occurrence -example: classified according to school years ‘01-’02, ‘02-’03, etc.
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{ } STATISTICAL ANALYSIS Descriptive Statistics:
{ } STATISTICAL ANALYSIS Descriptive Statistics: Measures of central tendency, measures of variability Frequency distribution Inferential Statistics: -Probability, hypothesis testing, statistical significance
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of data PRESENTATION - Intelligible and interpretable
- organizing data into logical, sequential and meaningful categories for study and interpretation. - Intelligible and interpretable PRESENTATION of data
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TEXTUAL TABULAR GRAPHICAL
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TEXTUAL Supplement tabular presentation DISADVATAGES: Boring to read,
especially if long Reader may skip statements Uses statements with numerals or number to describe data. Focus to important data
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TABULAR Facilitate study and interpretation Advantages
Concise easily read and compared Systematic arrangement of related data. Rows and columns present the relationship of numerical facts
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Important Parts of Tables and Graphs:
Table/Graph Number Used for reference purposes, preferably in Arabic 2. Title - The subject matter that the table deals with 3. Prefatory note - Explains unclear items in the table 3.Footnote -Explain, clarifies or qualifies some items in the table 4. Source note - The origin or source. Not necessary if the sources of the data are the respondents to a questionnaire or interview.
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GRAPHICAL May be in pictorial or diagrammatic form. Advantages:
Attracts more attention, less likely to be overlooked Comprehensive view of quantitative data Grasp essential facts quickly. A chart representing the quantitative changes of a variable. May be in comparison with other variables Most attractive and appealing way to present data Disadvantages: Not as accurate as tables Require more skill and time
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TYPES OF GRAPHS Bar Graphs a. Single Vertical Bar Graph
b. Single Horizontal c. Grouped bar Graph d. Duo-directional e. Component Bar Graph f. Histogram
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TYPES OF GRAPHS 2. Linear Graphs a. Time Series or Chronological line chart b. Composite Line Chart c. Frequency Polygon d. Ogive e. Band Chart
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TYPES OF GRAPHS 3. Hundred percent Graphs or charts a. Subdivided bar b. Circle or Pie Graph 4. Pictograms
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BAR GRAPHS Single Vertical Bar Graph Bars are constructed vertically
Bars portray the magnitudes of the categories Usually used to depict time series data
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BAR GRAPHS a. Single Vertical Bar Graph
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BAR GRAPHS b. Single Horizontal Bar Graph
Bars are constructed Horizontally Usually used to compare magnitudes of different categories
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BAR GRAPHS b. Single Horizontal Bar Graph
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BAR GRAPHS c. Grouped Bar Graph
Used to compare two or more categories of a variable during a specific period of time Subgroups of the categories have common attributes
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BAR GRAPHS c. Grouped Bar Graph
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BAR GRAPHS Bilateral Bar Graph
Present data in forms of assets, profits and positive numbers, liabilities, losses and negative numbers Presence of positive and negative values
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BAR GRAPHS d. Bi-lateral Bar Graph
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BAR GRAPHS e. Component Bar Graph
Shows variation or changes of the components parts of a whole and the whole itself
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BAR GRAPHS f. Histogram Bars placed side by side, heights indicate the magnitudes of their classes For grouped or class frequency distributions
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BAR GRAPHS f. Histogram
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LINE GRAPHS A. Time series linear chart
Depict variations of a variable over a period of time
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LINE GRAPHS B. Time series composite charts
comparisons made between or among two or more categories
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LINE GRAPHS B. Time series composite charts
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LINE GRAPHS C. Frequency Polygon Graph class or grouped frequency
distribution Counterpart of histogram Connecting the midpoints of the classes
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LINE GRAPHS C. Frequency Polygon
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LINE GRAPHS D. Ogive Graph of the cumulative frequencies
Either upward or downward
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LINE GRAPHS D. Ogive
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LINE GRAPHS E. Band Chart
Proportional variations of the component parts of a whole over a period of time
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ONE HUNDRED PER CENT GRAPHS
100% bar graph or rectangular chart Division of a 100% graph where the parts are divided per segment Largest segment at the bottom
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ONE HUNDRED PER CENT GRAPHS
Pie chart or Circle Graph Equated to 100% 1% of the graph is equated to 3.6 degrees
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ONE HUNDRED PER CENT GRAPHS
Pie chart or Circle Graph
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PICTOGRAMS Portray data by means of pictures or symbols.
Vivid comparison of magnitude
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PICTOGRAMS
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Pictorial display of data
USE THE RIGHT TYPE OF GRAPHIC!! BAR GRAPH Comparison -Categories of data Vertical Portray magnitude Horizontal Compare magnitude Grouped Compare categories Bilateral Positive negative values Component Proportions of a whole Histogram Frequency distribution LINE GRAPH - Display trends over time Time series Time period Composite line Different categories Frequency polygon Ogive Cumulative frequency Band Chart Components of a whole 100% GRAPHS - Show percentages and proportion Rectangular bar graph Proportions of a 100% Pie Graph Proportion of a 100% PICTOGRAMS Pictorial display of data
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of data INTERPRETATION
Discuss the summary of the implications of the findings Possible meaning, probable causes and effects, suggestions to a situation or condition from the findings. INTERPRETATION of data
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-Adding meaning to information by making connections and comparisons
Condition or situation Probable cause Probable effect Suggestion or recommendation Entity or area affected
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EXISTENCE OF A CONDITION
Are there any outliers or discrepancies in the data? A significant finding discovered in the research May be favorable or unfavorable A generalization formed from the findings EXISTENCE OF A CONDITION
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PROBABLE CAUSE OF CONDITION
- A logical and valid relationship between the condition and the cause. - Causes may be inferred from other researches and studies PROBABLE CAUSE OF CONDITION
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PROBABLE EFFECT OF CONDITION
- Logical and valid relationship between the condition and its possible effects - May be good or bad PROBABLE EFFECT OF CONDITION
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SUGGESTION OR RECOMMENDATION
Possible solutions to remedy the unsatisfactory condition. Suggest to continue practice and to strengthen it. SUGGESTION OR RECOMMENDATION
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AREA OR ENTITY AFFECTED
- Who or what will be affected by the possible effects brought by the conditions / situations in the findings of the study? AREA OR ENTITY AFFECTED
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-The students were given enough orientation about the program
CONDITION - 56% of the sample select their GIFT class to develop their talents and skill 2. CAUSES -The students were given enough orientation about the program - Students intend to develop their skills 3. EFFECTS - By the end of the program, the students would have enhanced their skills 4. SUGGESTION - Continue the implementation of the program 5. AFFECTED -SPCP students who are enrolled in GIFT
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GROUP ACTIVITY!! What are the 3 general ways of presenting data? What are the advantages and disadvantages of each? Construct a graph for this data: Enrolment of High School Student, Year Level Boys Girls I 124 141 II 115 139 III 109 128 IV 98
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3. Why did you choose to use this graph 4
3. Why did you choose to use this graph 4. What are the similarities and differences of the ff: frequency polygon, histogram and ogives? 5. Give a 3-7 sentence interpretation of the data from # 2
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