Gaining visibility for your products can be expensive, and television advertising during the Super Bowl is a good example, with a cost of nearly $2 million for a 30-second message. This high cost is due, in part, to the large number of Super Bowl viewers. Table 11.3.9 shows the market share and ad cost for selected broadcasts.
a. Estimate the dollar cost of an additional unit of market share from this data set.
b. Find the standard error for the additional unit cost from the previous part.
c. Find the 95% confidence interval for the dollar cost of an additional unit of market share.
d. Is there a significant relationship between market share and ad cost?

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TABLE 11.3.9 Market Share and 30-Second Advertising Cost (milions) for Selected Television Broadcasts Show Super Bowl Academy Awards NCAA Final Four Prime-Time Winter Olympics 15 Grammy Awards Barbara Walters Pre-Oscar 12 Survivor finale Golden Globe Awards E.R Fiends Share 40 26 Cost $1.90 1.60 0.90 0.60 0.57 0.55 0.53 0.45 037 0.35 17 15 15 17