Concept explainers
To identify: the sample for analysis is biased or unbiased and type of sample.
Answer to Problem 3GP
The sample of shoppers from 75 different stores is unbaised sample of type stratified random sample .
Explanation of Solution
Given information:
- Purpose of sampling is to determine shopping habits at a department store.
- One male and one female shopper, selected randomly from 75 stores.
The sampling data can be considered as group of 75 stores . Then from 75 stores randomly one female and one male shopper is selected from each store. This is the case of stratified random sample.
Since the sample of shopper surveyed is stratified random sample , the above sample is unbaised sample.
Chapter 10 Solutions
Glencoe Math Accelerated, Student Edition
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