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Overview of Descriptive Statistics - Coggle Diagram
Overview of Descriptive Statistics
Description
Science of conducting studies to collect, organize, summarize, analyze and draw conclusion from data
Outcomes of studying statistics
able to read and understand vaious statistical studies performed in the fields
able to conduct a research
to become better consumers and citizens
Types of statistical data
Descriptive analysis
Methods of organizing, summarizing and presenting data in a
convenient and informative way
Describe a situation
e.g percentage and averages
Inferential analysis
Draw conclusions about characteristics of population based on sample data
Types of data/variables
Quantitative
Data in numerical form
Discrete
Round figures
A finite number of values
possible
Obtained by
counting
Continuous
Values that are in fractions and decimals
Obtained by
measuring
Qualitative
categorize according to some characteristic or attribute
e.g gender, religion, race
Level of measurement
Nominal
Zip code
Gender
Eye color
Ordinal
Grade
Rating scale
Ranking
Interval
Mathematics score in percentage
IQ score
Temperature
Ratio
Height
Weight
Speed
Salary
Time
Population vs sample
Census
Sample survey
Representative sample
Random sample
Common terminologies
Population
Sample
Census
Statistic
Parameter
Size 'N'
Size 'n'
Research/survey
Pilot study
Element
Sample survey
Variable
Data
Parameters & statistics
Sampling techniques
Advantages of sampling
Sampling process
Simple random sampling
Systematic sampling
Stratified sampling
Cluster sampling