Why is calibration of sampling equipment and monitors an important step in the sampling process?

Calibration is the process in the which equipment is adjusted to maintains its accuracy while it is used for the evaluation and measurement.The precision while taking the readings is gained from this step which produces the exact reading.

It monitors that there is no occurrence of any king of uncertainty which may lead to the incorrect calculation consisting these recorded values.It is considered as error avoidance parameter in the sampling method  .

d. stage 4

explanation:

the existence of some kind of demographic transition is widely accepted in the social sciences because of the well-established historical correlation linking dropping fertility to social and economic development.[1] scholars debate whether industrialization and higher incomes lead to lower population, or whether lower populations lead to industrialization and higher incomes. scholars also debate to what extent various proposed and sometimes inter-related factors such as higher per capita income,lower mortality, old-age security, and rise of demand for human capital are involved.[2]

1."lessen the worth of ."

2."increase the worth of."

3." beyond the worth of."

4."against the worth of ."