Question

What is sample and how is it different from census survey?
​

Answer 1

Answer:

In a census, data about all individual units (e.g. people or households) are collected in the population. In a survey, data are only collected for a sub-part of the population; this part is called a sample. These data are then used to estimate the characteristics of the whole population

Answer 2

Explanation:

I not understand this question.