EXAMPLE 9.1 Social Media in the Supply Chain
Case 8.3 (page 438) examined the use of audio/visual sharing through social media for large and small companies.1 Here is the data summary. The table gives the number of companies for each company size. The count is the number of companies that used audio/visual sharing through social media in their supply chain.
| Size | ||
|---|---|---|
| 1 (small companies) | 178 | 150 |
| 2 (large companies) | 52 | 27 |
456
To compare small companies with the large companies, we calculated sample proportions from these counts.