According to the information presented, the MSM sample is stratified by province, industry, and size. Do you think that these strata make sense? If so, why? Can you think of other strata that might be used in this survey?
• Sampled companies are contacted either by mail or telephone. Do you think that survey responses might differ by whether they were obtained by mail or by telephone? Explain why or why not.
- 23/11/2018
- 5
- Sampling Canadian Manufacturers