BUSINESS: Consumer Electronics Index The S&P Index for the Consumer Electronics...

BUSINESS: Consumer Electronics Index The S&P Index for the Consumer Electronics Subindustry for recent years is shown in the following graph.

a. Number the bars with x-values 1–4 (so that x stands for years since 2006) and use quadratic regression to fi t a parabola to the data. State the regression function. [Hint: See Example 10.]

b. Use the regression function to predict the index for the year 2013.

Reference : Example 10