Excerpt from Agricultural Economics Research, Vol. 1: A Journal of Economic and Statistical Research in the Bureau of Agricultural Economics and Cooperating Agencies; January 1949 The magnitude of non - sampling errors might increase with an increase in size of sample because of the administrative difficulty of maintaining high standards in the interviewing and keeping ade quate control over all phases of the work. In general, the smaller the sample the better one can minimize or control the non-sampling error. Hence, more accurate results might be obtained through sampling than through attempting: a complete canvass, particularly when large and complex populations are dealt with. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Excerpt from Agricultural Economics Research, Vol. 1: A Journal of Economic and Statistical Research in the Bureau of Agricultural Economics and Cooperating Agencies; October 1949 Geographic distribution used in making annual farm population estimates, 10-page mimeo graphed report. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Excerpt from Agricultural Economics Research, Vol. 1: July 1949 A Kansas study of the cost of using machinery takes farmers' estimates of years of life as the basis for calculating depreciation. The authors observe that these estimates include elements of wear and obsolescence. Although amount of annual use is not shown, data for tractors, combines and mowers are grouped according to number of cultivated acres per farm, and it is observed that As farm size in cultivated acres increases, the estimated service life of tractors tends to decrease The estimated life of combines and mowers, however, does not appear to be affected by the size of the farm. 9 For tractors, estimated average life ranges from years on farms with from 50 to 99 acres of cultivated land to years on farms with 600 to 649 acres cultivated. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Excerpt from Agricultural Economics Research, Vol. 1: April 1949 The number of farm - owned motortrucks has been reported by the Census Bureau for many years, but no statistics on a broad scale have been available regarding trailers, which are significant as substitutes for trucks. Furthermore, neither the number of vehicles nor their distribution among farms is a reliable indicator of the extent to which farmers are dependent upon for-hire truckers and buyers for the initial haulage. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.