Suppose the data shown here are the results of a survey to investigate gasoline prices.Ten service stations
Question:
Use the F test to determine whether there is a significant difference in the variances of the prices of unleaded regular gasoline between these two cities. Let α = .01. Assume gasoline prices are normallydistributed.
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City 1 3.43 3.32 3.38 3.40 3.39 3.38 3.39 3.38 3.28 3.34 City 2 3.33 3.30 3.44 3.42 3.46 3.37 3.39 3.39 3.38 3.36
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City 1 City 2 343 333 340 342 339 339 332 330 339 346 338 ...View the full answer
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Related Book For
Business Statistics For Contemporary Decision Making
ISBN: 978-1118749647
8th edition
Authors: Black Ken
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