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A transportation geographer needs to know the mean average distance
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A transportation geographer needs to know the mean average distance that commuters travel to work in the local metropolitan area of 100,000 people to meet a requirement of a federal transportation grant. The geographer decides on a 95% confidence level and that +/- 0.3 miles is an acceptable margin of error. A first stage sample of 32 reveals a standard deviation of 1.6 miles. How many additional samples will the geographer need to take to complete the two-stage sampling process?
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- Submitted On 26 Aug, 2020 10:42:36
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