The following table shows the U.S. market share for smartphone manufacturers in 2017 according to the research

Question:

The following table shows the U.S. market share for smartphone manufacturers in 2017 according to the research firm comScore. The table also shows the frequency of purchases of smartphones by brand for a random sample of customers during 2018.

a. Using ? = 0.05, perform a chi-square test to determine if the observed frequencies in the table are consistent with the report.

b. Determine the p-value for the chi-square test statistic using Excel and interpret its meaning.

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Business Statistics

ISBN: 9780134685267

3rd Edition

Authors: Robert A. Donnelly

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Question Posted: Nov 05, 2019 05:31 AM

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The following table shows the U.S. market share for smartphone manufacturers in 2017 according to the research

Question:

Market Share 2017 Observed Frequency 2018 (%) Brand Apple 35.25 19 Samsung 24.75 13 LG 16.00 8 ZTE 10.50 5 Other 13.50 5 Total 100 50

Step by Step Answer:

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

Business Statistics

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