kanalonga kanalonga

22-12-2018
Mathematics

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A polling firm is conducting research on Internet use by calling the landline telephone of every tenth person listed in a local phone book. What bias may exist in the method they are using to do the poll?

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legomyego180 legomyego180

22-12-2018

Younger people don't own landline telephones so you are limiting your voter demographic to older people by calling them more than younger people.

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