Nataliya D. answered • 05/26/13

Patient and effective tutor for your most difficult subject.

**There will be 4% increase for mean and range.**

For example:

$100 $200 $300 $400

mean is $250

range is $300

$104 $208 $312 $416

mean is $260 = $250 + $10

↑

* $250*4% *

range is $312 = $300 + $12

↑

* $300*4%*