2. The sample for this study is O A. all bottles of aspirins in the big shipment

Question

2. The sample for this study is O A. all bottles of aspirins in the big shipment O B. the defective aspirins O C. all bottles of aspirins produced by this company. D. the 30 selected bottles. 3. The sampling design used for this study is a A. simple random sample. O B. voluntary response sample C. stratified random sample D. cluster sample. 4. Some of the bottles in the sample were broken and it was impossible to count the number of defective aspirins, so the data for those bottles was left out. The study may have A, undercoverage bias. OB, non-response bias O c. response bias 5. The company sends out multiple shipments of aspirins, but took the sample from only one shipment. The study may have OA, undercoverage bias. O B. response bias C. non response bias

Explanation / Answer

2. Sample - D. The 30 selected bottles

3. Sampling design - A. simple random sample

4. B. Non-response bias (some samples are not able to give the response here)

5. A. undercoverage bias (all the other shipments are not covered in the study, so it is undercoverage)

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