Case introduction

 

Estimate the total population of Heshun county in year 1998 according to the population data of 64 sample villages in the sampling investigation of Heshun county

 

Description:

According to the investigated data of 64 sample villages population of Heshun county in 1998, try to estimate the total population and sampling accuracy of Heshun county in 1998. The total administrative village size is 326, which is known.

 

Sampling method:

Stratified random sampling that is stratified by town

 

Objective:

To estimate the total population of Heshun county in year 1998 by sampling

 

Condition:

  1. The place and the investigated population of 64 sample villages that are randomly extracted;
  2. The population size is 326;
  3. The layer of 10 towns and the total administrative village size.
 

Request:

  1. Total population of Heshun county;
  2. Sampling accuracy.