Math  /  Data & Statistics

Question4. The online security firm SecurEnvoy and the research firm OnePoll conducted a survey in October 2012 and found that 60%60 \% of Britons admit they don't always understand text message abbreviations they receive. The firms surveyed 1000 British adults. a) Assuming this was a simple random sample, can you be comfortable that 60%60 \% is a good estimate of the percentage of British adults who are sometimes confused by text abbreviations? Explain. b) Assuming this was a simple random sample, can you be comfortable that 60%60 \% is a good estimate of the percentage of American adults who are sometimes confused by text abbreviations? Explain. c) It seems reasonable to suspect that age may be associated with a person's comfort with text abbreviations. How might the sampling technique be improved by taking this association into account? d) A blog that reported a story about this poll had a banner at the bottom of the webpage with a multiple choice question: Do you get confused with abbreviations in text messages? - Yes. Sometimes the abbreviations do the opposite of what they're supposed to do. - No. I've been texting for a long time. It's my second language - IDK (tsminteractive.com/have-you-ever-been-confused-by-text-mes-sage-abbreviations-poll/)
What type of sampling is the blog using? Will the results of their survey be likely to match those of the original survey? Explain.

Studdy Solution
d) The blog is likely using a voluntary response sampling method, where individuals choose to participate. This method often leads to bias, as those who feel strongly about the topic are more likely to respond. The results are unlikely to match the original survey, which used a simple random sample, because the blog's sample is not representative of the general population.

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