Concept explainers
Explain some of thepractical difficulties that can causeserror in any survey.
Answer to Problem 13E
The practical difficulties that can causes error in any survey are selection bias, response bias and nonresponse bias.
Explanation of Solution
In any statistical survey of public opinion can face various practical difficulties. List of some of the practical difficulties are
While taking a survey it may exclude some parts of the population. This is called selection bias.
Survey result can gives different values from the true value. This is called response bias.
Alsoit is very difficult to collect data for everybody in the sample. This is called nonresponse bias.
Hence, the practical difficulties that can causes error in any survey are selection bias, response bias and nonresponse bias.
Chapter 8 Solutions
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