WELCOME
WELCOME
REPRESENTATION
POPULATION
Population
Population is the entire group that you want to draw conclusions about.
Finite Population
Existent Population
lnfinite Population
Hypothetical Population
TYPES OF POPULATION
SAMPLE
SAMPLE
A sample is the specific group that you will collect data from.
RANDOM SAMPLING
STRATIFIED SAMPLEING
SYSTEMATIC SAMPLEING
CLUSTER SAMPLING
Difference between Population and Sample
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Comparison | Population | Sample |
Meaning | Collection of all the units or elements that possess common characteristics | A subgroup of the members of the population |
Includes | Each and every element of a group | Only includes a handful of units of population |
Characteristics | Parameter | Statistic |
Data Collection | Complete enumeration or census | Sampling or sample survey |
Focus on | Identification of the characteristics | Making inferences about the population |
THANKYOU