Concept explainers
To identify: the sample for analysis is biased or unbiased and type of sample.
Answer to Problem 8IP
The sample of citizen from 254 counties is unbaised sample of type stratified random sample .
Explanation of Solution
Given information:
- Purpose of sampling is to determine popularity of governor candidate.
- 30% of citizen, selected from 254 counties for survey.
The sampling data can be considered as group of 254 counties. Then from 254 counties, 30% of citizen is selected. This is the case of stratified random sample.
Since the sample of citizen surveyed is stratified random sample , the above sample is unbaised sample.
Chapter 10 Solutions
Glencoe Math Accelerated, Student Edition
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