STRATIFIED RANDOM
SAMPLING
,STRATIFIED RANDOM SAMPLE
A Stratified Random Sample is a
population sample that requires the
population to be divided into
smaller groups, called “Strata”.
Random samples can be taken from
each stratum, or group.
, STRATIFIED RANDOM SAMPLING
• Type of probability sampling which selects
members of the sample proportionally from
each subpopulation or stratum.
• Used when the population is too large to
handle and is divided into subgroups (called
strata)
SAMPLING
,STRATIFIED RANDOM SAMPLE
A Stratified Random Sample is a
population sample that requires the
population to be divided into
smaller groups, called “Strata”.
Random samples can be taken from
each stratum, or group.
, STRATIFIED RANDOM SAMPLING
• Type of probability sampling which selects
members of the sample proportionally from
each subpopulation or stratum.
• Used when the population is too large to
handle and is divided into subgroups (called
strata)