Commercial break: Following are the amounts spent (in millions of dollars) on media advertising in the United States by a sample of nine companies in 2013. 286.9 362.9 331.2 394.6 257.0 463.5 340 1...

Extracted text: Commercial break: Following are the amounts spent (in millions of dollars) on media advertising in the United States by a sample of nine companies in 2013. 286.9 362.9 331.2 394.6 257.0 463.5 340 1 295.9 722 5 Send data to Exce (a) Find the mean amount spent on advertising. Round the answer to at least two decimal places. (b) Find the median amount spent on advertising.