Question

What social media tools do marketers commonly use? A survey by Social Media Examiner (data extracted from “2014 Social Media Marketing Industry Report,” April 2014) of B2B marketers (marketers that focus primarily on attracting businesses) and B2C marketers (marketers that primarily target consumers) reported that 519 (88%) of B2B marketers and 242 (59%) of B2C marketers commonly use LinkedIn as a social media tool. The study also revealed that 307 (52%) of B2B marketers and 246 (60%) of B2C marketers commonly use YouTube as a social media tool. Suppose the survey was based on 590 B2B marketers and 410 B2C marketers.
a. At the 0.05 level of significance, is there evidence of a difference between B2B marketers and B2C marketers in the proportion that commonly use LinkedIn as a social media tool?
b. Find the p value in (a) and interpret its value.
c. At the 0.05 level of significance, is there evidence of a difference between B2B marketers and B2C marketers in the proportion that commonly use YouTube as a social media tool?


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  • CreatedJuly 16, 2015
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