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Survey Bias: Sampling and Question Design
Survey Bias: Sampling and Question Design
Answer 15 questions randomly selected from a bank of 30. Choose one best answer per question. Pass with 12 correct answers. Original practice material, not an official certification exam.
1 of 15
A customer survey is available only in English, although many customers cannot read English. What is a likely coverage issue?
The sample becomes automatically representative
Those customers may be excluded from meaningful participation
Language cannot affect participation
Every answer becomes random
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