A newspaper conducted a survey of its readers and asked everyone to fill out a survey form and send it in. Almost 50% of readers responded. This type of sample is called :
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JNU SIS 2020 Question 39: Research methodology
Answer and worked solution
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Research methodology has come up 15 times in 4 exams since 2015.
What this question tests
This question is on Sampling methods and selection bias, part of Research methodology in Statistics.
How samples are drawn and how a poor method misleads.
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