Question

A research firm supports a consumer panel of 2000 households that keep written diaries of their weekly grocery expenditures. The firm would like to estimate, with 95% confidence and within 4 percentage points, the percentage of its panel households who would be interested in providing more extensive information in return for an extra $50 per week remuneration. How many of the households should be surveyed? Explain any assumptions you used in obtaining your recommended sample size.


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  • CreatedSeptember 08, 2015
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