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Which of the following is a source of O Using 95% confidence. O Some subjects do not tell the truth. Using voluntary response to choose the sample. Variation due to chance in choosing a sample at random.

Which of the following is a source of O Using 95% confidence. O Some subjects do not tell the truth. Using voluntary response to choose the sample. Variation due to chance in choosing a sample at random.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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**Question:** Which of the following is a source of non-sampling error in a sample survey? **Options:** - O Using 95% confidence. - O Some subjects do not tell the truth. - ● Using voluntary response to choose the sample. - O Variation due to chance in choosing a sample at random. **Explanation:** Non-sampling errors occur not because of the process of selecting the sample, but due to other aspects of the survey process. The options provide different scenarios: 1. **Using 95% confidence:** This relates to the confidence interval, not a non-sampling error. 2. **Some subjects do not tell the truth:** This is indeed a non-sampling error caused by response bias. 3. **Using voluntary response to choose the sample:** Voluntary response can lead to non-sampling errors because the sample may not be representative of the population. 4. **Variation due to chance in choosing a sample at random:** This describes a sampling error, not a non-sampling error. The selected option in the image is "Using voluntary response to choose the sample," highlighting a common source of non-sampling error in surveys.
Transcribed Image Text:**Question:** Which of the following is a source of non-sampling error in a sample survey? **Options:** - O Using 95% confidence. - O Some subjects do not tell the truth. - ● Using voluntary response to choose the sample. - O Variation due to chance in choosing a sample at random. **Explanation:** Non-sampling errors occur not because of the process of selecting the sample, but due to other aspects of the survey process. The options provide different scenarios: 1. **Using 95% confidence:** This relates to the confidence interval, not a non-sampling error. 2. **Some subjects do not tell the truth:** This is indeed a non-sampling error caused by response bias. 3. **Using voluntary response to choose the sample:** Voluntary response can lead to non-sampling errors because the sample may not be representative of the population. 4. **Variation due to chance in choosing a sample at random:** This describes a sampling error, not a non-sampling error. The selected option in the image is "Using voluntary response to choose the sample," highlighting a common source of non-sampling error in surveys.
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