What social media tools do marketers commonly use? A survey by Social Media
Examiner of B2B marketers (marketers that focus primarily on attracting
businesses) and B2C marketers (marketers that primarily target consumers)
reported that 267 (81%) of B2B marketers and 295 (44%) of B2C marketers
commonly use LinkedIn as a social media tool. The study also revealed that 149
(45%) of B2B marketers and 308 (46%) of B2C marketers commonly use
YouTube as a social media tool. Source: Data extracted from 2017 Social Media
Marketing Industry Report, available at bit.ly/2rFmLzh. Suppose the survey was
based on 330 B2B marketers and 670 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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What social media tools do marketers commonly use? A survey by Social Media Examiner of B2B marketers (marketers that focus primarily on attracting businesses) and B2C marketers (marketers that primarily target consumers) reported that 267 (81%) of B2B ma
Total A survey of B2B marketers (marketers that focus primarily on attracting businesses) and B2C marketers (marketers that primarily target consumers) was based on 1000 B2B marketers and 1000 B2C marketers. The table to the right summarizes the results. Complete parts (a) through (c) below. Increase use of social media Yes No Total B2B 593 407 1000 Business Focus B2C 747 253 1000 1340 660 2000 a. Suppose you know that the marketer is a B2B marketer. What is the...
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Total 1252 748 2000 A survey of B2B marketers (marketers that focus primarily on attracting businesses) and Business Focus B2C marketers (marketers that primarily target consumers) was based on 1000 B2B Increase use of social media B2B B2C marketers and 1000 B2C marketers. The table to the right summarizes the results. Yes 530 722 Complete parts (a) through (c) below. No 470 278 Total 1000 1000 a. Suppose you know that the marketer is a B2B marketer. What is the...
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