blogs for fortune 500 firms . web site communication through blogs and forums is a key marketing tool for companies. the journal of relationship marketing investigated the prevalence of blogs and forums at fortune 500 firms with both English and Chinese web sites.

a) of the firms that provided blogs/forums as a marketing tool, the accompanying table gives a breakdown on the entity responsible for creating the blogs/forums. Use a graphical method to describe the data the data summarized in the table. Interpret the graph.

blog/forum percentage of firms

Created by company 38.5

Created by employees 34.6

Created by third party 11.5

Creator not identified 15.4

b) In a sample of firms that provide blogs and forums as marketing tools, the mean number of blogs/forums per site was 4.25. with standard deviation of 12.02. Provide an interval that is likely to contain the number of blogs/forums per site for at least 75% of the Fortune 500 firms in the sample.

c) Do you expect the distribution of number of blogs/forums to be symmetric, skewed right or skewed left ? Explain