Question

A polling organization conduct s a study to estimate the percentage of households that speaks a foreign language as the primary language. It mails a questionnaire to 1023 randomly selected households throughout the United States and asks the head of household if a foreign language is the primary language spoken in the home. Of the 1023 households selected, 12 responded.
The survey has bias.
(a) Determine the type of bias.
(b) Suggest a remedy.


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  • CreatedApril 27, 2015
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