Page 39 - 1990(3) Cesus Of Agriculture, provience report-Punjab

spent huge sums of money on the data. An important indicator is the
census · itself. In Pakistan, a internal consistency and reason-
limited Post Enumeration Survey was ableness of the data . Thi$. is an
carried out for the purposes of extremely useful measure as it re-
getting. some measure of the quires very little extra census
important non-sampling errors. The data for its application. The data
description of this survey is are said to be consistent when the
already given on previous pages. values .obtained in related but
separate i terns bear a logical ·
Consistency and Reasonableness relationship with one another. For
of Data instance, one may compare the
cropped . area with cultivated . area
As may be seen fro~ the or the number of bullocks with the
foregoing paragraph, it is usually size of the farm or the existence
not possible to develop a com- 6f a tubewell on the farm with area
prehensive measure of the quality_ irrigated by tubewell, and so on .
of census data. The sampling In the Census of Agricuiture, there
variance is one indicator with . are a number of such inter-
limited utility, the non-sampling · relationships, and users of census
errors are estimated only for a few data would find that quality of the
items, and only the most important census estimates is reflected in
types of errors are studied. Thus the high degree of consistency of
it becomes necessary to consider the data.
other indicators of the quality of

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