The following PROC SURVEYSELECT statements select a probability sample of customers from the Customers data set according to the stratified sample design. title1 'Customer Satisfaction Survey'; title2 ...

If no other sources are available to measure certain variables of a target population, Statistics Netherlands often uses a random sample, i.e. a sample of units from the population drawn in accordance ...

However, if the surveys are poorly conceived and constructed, the data will be unhelpful and unreliable. An infographic (below) from IncQuery looks at how to design accurate surveys that deliver ...

current company design practices, and other related information and any questions that could be considered by ISA76 will also be greatly appreciated. Please send your responses to [email protected], ...