TY - JOUR
AU - Jessen, R. J.
AB - II. DESIGN By R. J. JESSEN Bureau of Agricultural Economics, and Statistical Laboratory, Iowa State College As the idea of the Master Sample developed, its scope and objectives suggested a sample with the following specifications: (i) That it be large enough to provide an adequate group of farms on which information can be obtained that will be useful for selecting efficient smaller samples for special inquiries and coordinated studies. (ii) That it be general or flexible enough in basic design so that it may be used directly, or with simple modification, for sampling not only farms but rural population, land use, crop diseases, crop pests, etc. (iii) That it be distributed geographically to such 'an extent that all of the primary sampling units, of the kind now commonly used, comprising single counties or groups of counties, will likely have an adequate sample of areas within each convenient for subsampling. (iv) That it be specific enough as to the population 'sampled so that it may be conveniently and precisely extended to inquiries which deal mainly with elements other than farms. (v) That it be efficient enough so that it may justify its cost. (vi) That it be practical enough so 
TI - The Master Sample of Agriculture
JF - Journal of the American Statistical Association
DO - 10.1080/01621459.1945.10500724
DA - 1945-03-01
UR - https://www.deepdyve.com/lp/taylor-francis/the-master-sample-of-agriculture-VB50lW50jf
SP - 46
EP - 56
VL - 40
IS - 229
DP - DeepDyve
ER -