Percentage discount comparison - which is better ?

Posted November 25th, 2008

ironwood9 asked: I used to shop at a market that gave $5 off your total bill if you bought a minimum of $20 - so you could pay as low as $15 for $20 worth of groceries. Well, all good things must come to an end, and their “New Deal” is $6 off total [...]

find the mean mdian mode and range of the prices listed?

Posted August 25th, 2008

Daniel S asked: Comparison shopping- a survey of grocery stores found the price of a 15- ounce box of cheerios cereal ranging from $3.89 to $4.39 (see below)
What are the mean median mode and range of the prices listed?
$4.29 $3.89 $4.29 $4.09 $4.24 $3.99
$3.98 $4.19 $4.19 $4.39 [...]