A transport company wants to compare the fuel efficiencies of the two types of lorry it operates.
Question:
A transport company wants to compare the fuel efficiencies of the two types of lorry it operates. It obtains data from samples of the two types of lorry, with the following results:
Test the hypothesis that there is no difference in fuel efficiency, using the 99% confidence level.
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The first step in testing the hypothesis that there is no difference in fuel efficienc...View the full answer
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Related Book For 
Statistics For Economics Accounting And Business Studies
ISBN: 978027368308
4th Edition
Authors: Michael Barrow
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