Statistical
Treatment of
Data
GROUP 4
DATA ANALYSIS
DATA ANALYSIS
In research, It is a process in which gathered
information are summarized in such a
manner that it will yield answers to the
research questions.
Research
Design
Sampling
Research
Instrume
nt
Data
Collection
Data
Analysis
METHODOLOGY
applying a form of statistical method to a
data set to transform it from a group of
meaningless numbers into a meaningful
output.
STATISTICAL
TREATMENT
Descriptive
STATISTICS
Inferential
STATISTICS
- used to describe and
summarize data
- often presented in the form
of graphs
- based on the probabilities
that certain events would
occur simply by chance.
- drawing conclusions about
populations
STATISTICAL TECHNIQUE
STATISTICAL
TREATMENT
Inferential
Statistics
Descriptive
Statistics
Measures of
Variability
Measures of
Central
Tendency
Parametric
Tests
Non-
parametric
Tests
Measures of Central Tendency
DESCRIPTIVE STATISTICS
MEAN MEDIAN MODE
center
Measures of Variability
DESCRIPTIVE STATISTICS
RANGE VARIANCE STANDARD
DEVIATION
spread/dispersion
STATISTICAL
TREATMENT
Inferential
Statistics
Descriptive
Statistics
Measures of
Variability
Measures of
Central
Tendency
Parametric
Tests
Non-
parametric
Tests
RESOURCE
Page
Pearson’s r
Phi coefficient
Spearman’s rho
INFERENTIAL STATISTICS
Test of Relationship between Two
Variables
RESOURCE
Page
T-test for
dependent samples
McNemar
change test
Wilcoxon
signed-rank test
INFERENTIAL STATISTICS
Test of Difference between Two Data
Sets from One Group
RESOURCE
Page
T-test for
independent samples
Two-way
chi-square
Mann-Whitney
U test
INFERENTIAL STATISTICS
Test of Difference between Two Data
Sets from Two Different Groups
RESOURCE
Page
Analysis of
Variance or
ANOVA
INFERENTIAL STATISTICS
Test More than Two Population Means
RESOURCE
Page
Regression
INFERENTIAL STATISTICS
Test the Strength of Relation or Effect or
Impact
1 Define research questions or
objectives.
2 Understand the type of data.
3 Select an appropriate
statistical technique.
4 Consider assumption and
limitations.
5 Conduct the Data Analysis.
6 Validate the results.
7 Communicate results
effectively.
DATA
ANALYSIS
PROCESS
Thank you!

Statistical Treatment of Data (Group 4) Presentation