The Dow Jones Industrial Average $($DJIA$)$ and the Standard & Poor's $500($S&P $500)$ indexes are used as measures of overall movement in the stock market. The DJIA is based on the price movements of $30$ large companies; the S&P $500$ is an index composed of $500$ stocks. Some say the S&P $500$ is a better measure of stock market performance because it is broader based. The closing price for the DJIA and the S&P $500$ for $15$ weeks, beginning with January $6,2012,$ follow $($Barron$\text{'}$s website, April $17,2012).$

Click on the datafile logo to reference the data. Suppose that the closing price for the DJIA is $13,100.$ Estimate the closing price for the S&P $500.$

If required, round your answer to the nearest whole number. Do not round intermediate calculations.