A market research group takes a random sample of 5 of a citys 41 voting districts. Each
Question:
A market research group takes a random sample of 5 of a city’s 41 voting districts. Each household in each sampled district is questioned on the number of hours its members watch television per day. The results of the sample follow:
Find a 90 % confidence interval for the population mean number of hours of television watched.
Transcribed Image Text:
District 1 234N 4 5 Number of households 53 31 17 28 41 Mean number of hours of TV per day 35647 5
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Related Book For
Statistics For Business And Financial Economics
ISBN: 9781461458975
3rd Edition
Authors: Cheng Few Lee , John C Lee , Alice C Lee
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