Question

11. Justfiy the following type of errors, are they sampling error or non-sampling error? a. One...

11. Justfiy the following type of errors, are they sampling error or non-sampling error?

a. One source of error in pre-election polls is that some people do not tell the truth about who they will vote for.

b. Bias from how the questions are ordered.

c. Non-response.

d. Processing error. (1)

Math   Statistics-And-Probability   
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Answer #1

Ans:

A sampling error occurs when we do not select a sample that represents the entire population.

A non-sampling error refers to an error that occurs during data collection which causes the data to differ from the true values.

Non-sampling errors include data entry errors, biased processing or decision making,biased survey questions, inappropriate analysis conclusions, non-responses and false information provided by respondents.

a. One source of error in pre-election polls is that some people do not tell the truth about who they will vote for.

non-sampling error

b. Bias from how the questions are ordered.

non-sampling error

c. Non-response.

non-sampling error

d. Processing error.

non-sampling error

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