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Q: Statistics point estimate margin of error ( No Answer,   0 Comments )
Subject: Statistics point estimate margin of error
Category: Reference, Education and News > Homework Help
Asked by: rickyraiborde-ga
List Price: $10.00
Posted: 06 Dec 2005 11:44 PST
Expires: 07 Dec 2005 19:57 PST
Question ID: 602250
The owner of a large fleet of taxis is trying to estimate the average
consumption of gasoline. Assume that the consumption has a normal
distribution. A random sample of 10 taxis is taken. The sample
indicates that an average value of the miles per gallon is 31 and a
sample standard deviation of 28.6 miles per gallon.
(1)	 What is the point estimate of the average miles per gallon of all
taxis in his fleet.
(2)at 90% confidence, what is the margin of error?
(3)develop a 90% confidence interval estimate of the average miles per
gallon of all taxis in his fleet
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