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

Question:

The following table shows the U.S. market share for smartphone manufacturers in 2013 according to the research firm comScore. The table also shows the frequency of purchases of smart phones by brand for a random sample of customers during 2014.

a. Using α = 0.05, perform a chisquare test to determine if the observed frequencies in the table are consistent with the comScore report.

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 03:37 AM

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

Question:

Market Share 2013 Observed Frequency Brand Apple Samsung HTC Motorola Other Total 36.3 21.0 10.2 9.1 23.4 2014 20 14 4 100 50

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a H 0 The market share for US smartphone manufacturers in 2014 is consistent with ...View the full answer

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