How is stratified sampling carried out?
Divide the population into mutually exclusive, internally homogeneous strata and select a random sample from each stratum.
Stratified sampling divides the population into mutually exclusive strata and draws a random sample from each. The strata are designed to be internally homogeneous for relevant characteristics; their sample sizes may be equal, proportional or otherwise allocated.
Important Questions from Sample - Teaching
Match List I with List II :
List – I
(Limits)
List – II
(% of area in NPC)
(a)
–2 sigma to –1 sigma
(I)
95.44
(b)
0 to + 2 sigma
(II)
13.59
(c)
–1 to +2 sigma
(III)
72.67
(d)
–2 sigma to +2 sigma
(IV)
81.85
(V)
47.72
Choose the correct answer from the options given below:If a sample of 100 is to be taken from a population of 1000 farmers consisting of marginal small and large farmers, which of the following will be the most appropriate sampling method ?
Which one of the following random sampling techniques become more appropriate for homogeneous population groups?
