Question: The following table shows the U S market share for smartphone

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 pvalue for the chisquare test statistic using Excel and interpret its meaning.

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  • CreatedJuly 28, 2015
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