In January 2011, the national mean price per gallon (in dollars) of regular unleaded gasoline was 3.101.

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In January 2011, the national mean price per gallon (in dollars) of regular unleaded gasoline was 3.101. The following data represent a random sample of 21 gas stations in Chicago. Is gas in Chicago more expensive than the nation?

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Fundamentals Of Statistics

ISBN: 9780321844606

4th Edition

Authors: Michael Sullivan III

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Question Posted: Apr 28, 2015 12:34 AM

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In January 2011, the national mean price per gallon (in dollars) of regular unleaded gasoline was 3.101.

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3.00 3.06 3.07 3.09 3.12 3.12 3.13 3.15 3.15 3.16 3.17 3.18 3.19 3.19 3.20 3.20 3.21 3.22 3.24 3.25 3.25

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Since the data could come from a normal population with no outliers the requiremen...View the full answer

Fundamentals Of Statistics

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