Question: 1. According to the information presented, the MSM sample is straed hp province, industry, and size. Do you think that these strata make sense? If

1. According to the information presented, the MSM sample is straed hp province, industry, and size. Do you think that these strata make sense? If so, why? ICan you think of other strata that might he used in this survey? 2. Sampled companies are contacted either by mail or telephone. Do you think that 5,ng responses might differ by whether the]: were obtained by mail or by telephone? Explain why or why not
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