ShmoopTube

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And here's your shmoop du jour brought to you by exit polls which asked the [Exit pool door opens]

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age-old question should I stay or should I go what sort of poll would you

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commission to monitor popularity over three months and here are the potential

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answers... All right well as opinions change over time polling provides a way

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to capture those feelings and make them all scientific and data-driven a real [Graph point moving up and down]

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dream for math people... Well random sample polls while certainly representative of

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the population as a whole are designed is one-time shot so we could find out if

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we're popular at this very moment but we wouldn't know if it's more or less than [Woman holding a trophy falling]

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before so maybe we shouldn't put all our eggs in A's basket.. Exit polls can track

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changes from election to election but they take place specifically yep at the [Man holding microphone to a camel]

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polls, so we can vote B out as well..Could we commission D - an opt-in pole well if

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we ask people to opt in before they voted about our popularity we might not get [Girl sticks a flyer on a door]

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the most accurate answers so sorry mom your vote is skewing our survey so we

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better dump D too..What about E? A quota sample poll well if we wanted to find

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out how a certain quota like everyone just in our grade felt about our [Boy appears beside a group of students in the hall]

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popularity then we'd be keen on a quota poll which isolates a certain groups

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preferences from the rest but it wouldn't capture any change over time...

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which means if we wanted to monitor our popularity over three months we'd want

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to commission C; a tracking poll a tracking poll is used to look at changes [Woman holding up a picture of a bat and man wearing a wired pan on his head]

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in opinion over time, since its repeated periodically to see how people's

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feelings are well changing, so C is the correct answer contrary to popular

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belief these polls are not helpful in determining the outcome of track and

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field event [Athletes running on a track through a poll booth]

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