Burger King€™s market shares (in percent) are described by the time-series plots in Figs. 146 and 147 for various years.
Fig. 146

Fig. 147

a. If Burger King wants to de-emphasize how much its market share has decreased, which time-series plot would it want to refer to? Explain.
b. From which time-series plot can you better estimate the market share in 2010? What is that market share?
c. From which year to the next did the market share decrease the most? Estimate that decrease.
d. Estimate the change in market share from 2008 to 2013. If the market share were to change that same amount from 2013 to 2018, what would the market share be in 2018? Do you have much faith that your result will turn out to be true? Explain.

Transcribed Image Text:

Burger King Market Shares 15 12 0 2008 2009 2010 20 2012 2013 Year Burger King Market Shares 14.5 14.0 13.5 13.0 12.5 12.0 11.5 2008 2009 2010 20 2012 2013 Year