Homework Help: math

Posted by alice on Sunday, March 4, 2007 at 8:27pm.

14.what value of n will result in a mean if 31
15.what value of n will result in a median of 23
15.what value of a will result in a range of 84

14,46,19,10,39,22,24,77,n

Refresh your memory about the defnition of median, mode and range of a set of numbers.
Then pick a value of n that satisfied the requirement.

For example, in #14. Find the value of n that makes the average 31. You should end up with the equation
(251+n)/9 = 31
Then solve for n. You divide by 9 because there are 9 numbers and you want the average or "mean" value.

We will be glad to critique your work.

math - Alondra, Tuesday, March 4, 2008 at 6:55pm
23

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