Case introduction

 

Estimate the total population of Heshun county in year 1998 according to the population data of 50 sample villages in the sampling investigation of Heshun county

 

Description:

According to the investigated data of 50 sample villages population of Heshun county in 1998, estimate the total population and sampling accuracy of Heshun county in 1998. The total administrative village size is 326, which is known.

 

Sampling method:

Simple random sampling

 

Objective:

Calculate the total population and sampling accuracy of Heshun county in year 1998

 

Condition:

  1. The place and the adjusted population of the 50 sample villages that are randomly extracted;
  2. The population size is 326.
 

Request:

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