The following table shows the U. S. market share for automotive manufacturers in 2013 according to Auto

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The following table shows the U. S. market share for automotive manufacturers in 2013 according to Auto data. Also shown is the frequency of car purchases by manufacturer from a random sample of 220 customers during 2014.

a. Using α = 0.10, perform a chisquare test to determine if the U. S. market share in the automotive industry has changed between 2013 and 2014.

b. Determine the p_value for the chisquare test statistic using Excel and interpret its meaning.

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Business Statistics

ISBN: 9780321925121

2nd Edition

Authors: Robert A. Donnelly

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Question Posted: Jul 28, 2015 03:36 AM

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The following table shows the U. S. market share for automotive manufacturers in 2013 according to Auto

Question:

Market Share Frequency Manufacturer General Motors Ford Motor Toyota Chrysler Honda Other Total 2013 (%) 18.5 16.5 13.7 12.2 10.2 28.9 2014 35 37 24 20 17 87 220

Step by Step Answer:

a H 0 US market share for cars did not change between 2013 and 2014 H 1 ...View the full answer

Business Statistics

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