Specify the competing hypotheses to test market shares

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Reference no: EM131807743

Question: The following table lists the market share of the four firms in a particular industry in 2010 and total sales for each firm in 2011.

a. Specify the competing hypotheses to test whether the market shares in 2010 are not valid in 2011.

b. Calculate the value of the test statistic.

c. At the 1% significance level, what is the critical value?

d. Do the sample data suggest that the market shares changed from 2010 to 2011?

Reference no: EM131807743

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