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Concept explainers
To identify: the sample for analysis is biased or unbiased and type of sampling.
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Answer to Problem 6IP
The sampling of selecting cell phone for quality check after 20 minutes is simple random unbiased sampling and systematic random sample.
Explanation of Solution
Given information:
- Purpose of sampling is to determine quality of cell phone getting assembled.
- Selection of a cell phone is based on fixed time interval of 20 minutes.
The selection of cell phone is based on fixed time interval of 20 minutes . This means after every 20 minutes a cell phone is selected and check for quality.
So the sampling is case of systematic random sample and is unbiased sample.
Chapter 10 Solutions
Glencoe Math Accelerated, Student Edition
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Thomas' Calculus: Early Transcendentals (14th Edition)
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