Case introduction
Next page

 

Estimate the total population of Heshun county in year 1998 according to the population data of 98 sample villages in the sampling investigation of Heshun county

 

Description:

According to the investigated data of 98 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:

Sandwich sampling

 

Objective:

The population and sampling accuracy of 10 towns of Heshun county in 1998

 

Condition:

  1. The place and the investigated population of 98 sample villages that are randomly extracted by 5 knowledge layers;
  2. The population size is 326.
  3. Total administrative village size of 5 knowledge layers
 

Request:

  1. Estimate the population of each town and the total population of Heshun county in 1998;
  2. Sampling accuracy.
 
 
 

Next page