Cell phone ad spending between 2005 (t = 1) and 2011 (t = 7) is given by S(t) = 0.86t0.96 (1sts7) where S(t) is measured in billions of dollars and t is measured in years. What was the average spending per year on cell phone ads between 2005 and 2011?

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.