Question: Investigate how the margin of sampling error (MoSE) from an opinion poll is affected by changes to the size of the sample and desired confidence

Investigate how the margin of sampling error (MoSE) from an opinion poll is affected by changes to the size of the sample and desired confidence level. Find an opinion poll reported in the news media by visiting a specific news site or searching for the word

‘survey’ or ‘poll’. Calculate the MoSE for the entire sample using the formula introduced in this chapter. Now calculate the MoSE for at least one subsample reported in the poll or discussion of the results

(note: this may not be possible if the methodology section is not sufficiently detailed). Did the news agency convey the degree of uncertainty associated with these estimates in its reporting? Overall, what did you learn from this exercise?

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