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statistics for research
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Dr. Bhong P. Ybaez
Research Director
St. Paul University
Kinds of Data Presentation
Tabular Presentations of Data
Sample Table 1. Simple Frequency Distribution Table
DISTRIBUTION OF STUDENTS IN THE
SPUD CAED
Sample Table 2. Regular Frequency
Distribution Table
NUMBER OF CHILDREN PER FAMILY OF 25
RANDOMLY SELECTED FAMILIES IN BARANGAY
BUNAO, DGTE.
Sample Table 3. Grouped Frequency Distribution
Table
DISTRIBUTION OF IQ SCORES OF 150 THIRD-GRADE
PUPILS OF MAGSAYSAY ELEMENTARY SCHOOL
PSA Summer Institute Reston, E. Introduction to Statistics
Sample Table 4. A Bivariate or Two-Way Table
ACADEMIC PERFORMANCE AND IQ OF 1ST YEAR
STUDENTS OF NOHS
PSA Summer Institute Reston, E. Introduction to Statistics
Graphical Presentations of Data
Sample Graph 1. Horizontal Bar Chart
DISTRIBUTION OF TEACHER EDUCATORS BY
ACADEMIC RANK
PSA Summer Institute Reston, E. Introduction to Statistics
51.7%
2.4%
13.2%
25.9%
6.8%
0 20 40 60 80 100 120
Instructor
Associate
Instructor
Assistant
Professor
Associate
Professor
Professor
Percent
Frequency
Sample Graph 2. Vertical Bar Chart
ADMISSION TEST SCORES OF ENTERING COLLEGE
FRESHMEN BY GENDER
PSA Summer Institute Reston, E. Introduction to Statistics
0
2
4
6
8
10
12
14
16
18
20
Frequency
20-29 30-39 40-49 50-59 60-69 70-79
Admission Test Scores
Male
Female
Sample Graph 3. Histogram
DISTRIBUTION OF IQ SCORES OF 1st YEAR STUDENTS OF
NOHS
Sample Graph 4. Component Diagram
DISTRIBUTION OF TEACHERS IN TERMS OF
GRADUATE DEGREES EARNED
PSA Summer Institute Reston, E. Introduction to Statistics
167
119
65
221
0%
20%
40%
60%
80%
100%
Percentage of
Respondents
Master's Doctorate
Graduate Degree
without
with
Sample Graph 5. Frequency Polygon
DISTRIBUTION OF IQ SCORES OF 1st YEAR
STUDENTS OF N.O.H.S.
PSA Summer Institute Reston, E. Introduction to Statistics
Frequency
0
5
10
15
20
25
30
85-89 90-94 95-99 100-104 105-109 110-114 115-119 120-124 125-129
IQ Scores
Sample Graph 6. Cumulative Frequency Ogive
CUMULATIVE PERCENTAGE DISTRIBUTION
DISTRIBUTION OF IQ SCORES OF 1st YEAR STUDENTS
OF N.O.H.S.
PSA Summer Institute Reston, E. Introduction to Statistics
Sample Graph 7 . Line Graphs
Inflation Rate and Peso-US$ Exchange Rates, 1997-
2004
0
10
20
30
40
50
60
1997 1998 1999 2000 2001 2002 2003 2004
Inflation Rate
Exchange Rate
Sample Graph 8. Pie Chart
DISTRIBUTION OF SURVEY RESPONDENTS
BY PROVINCES
49%
26%
20%
5%
Cebu
Bohol
Negros Or.
Siquijor
Sample Graph 9. Area Graph DISTRIBUTION OF EMPLOYEES OF R&D COMPANY
BY EMPLOYMENT CATEGORY
Sample Graph 10. Stem and Leaf
Display
PSA Summer Institute Reston, E. Introduction to Statistics
Distribution of Scores of 15 Students in a 60-Item
Test in Statistics
Bhongybz Introduction to Statistics
END
THANK YOU