With reference to the various sampling methods, ________ is used when it is important to control where the sample is delivered and when the products are of a perishable nature.

Respuesta :

Door to door sampling is used when it is important to control where the sample is delivered and when the products are of a perishable nature.

What is sampling?

The term sampling  selecting refers to the selection of a small proportion of the population extrapolating the results the results obtained from this small group to represent the characteristics of the entire population. This sample is chose in a manner as to reflect the properties the generality of the population.

Hence, door to door sampling is used when it is important to control where the sample is delivered and when the products are of a perishable nature.

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