In this conception, each observer moment should be analysed as if it were randomly sampled.
Based on a defined sampling rate, an average of 1 out of n packets/operations is randomly sampled.
Births registered during one month in each area were randomly sampled.
This survey included nearly 2000 randomly sampled Americans ages 24 to 39 who completed a 60-minute survey.
This means that an assignment v is sampled randomly and independently according to the distribution of the random variable P.
In those tests, packages of meat were sampled randomly by the government for salmonella before shipment to schools.
Out of 4,339 Democratic delegates, 1,464 were randomly sampled with 1,042 completing the questionnaire by the end of polling.
Out of 2,066 Republican delegates, 1,551 were randomly sampled with 1,055 completing the questionnaire by the end of polling.