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ibe9900 ibe9900
  • 22-12-2014
  • Mathematics
Answered

what positive integer must be included in the set(1, 2 , 4 , 8) so that the new set of five integers have a median that is equal to its mean

Verified Answer :

Porshia
Porshia Porshia
  • 22-12-2014

Steps on how to get 5:
1. If you added 5 to the list of numbers, the median would be 4.
1,2,4,5,8
Since 4 is directly in the middle.
2. Now you find the mean
1 + 2 + 4=7
5 + 8= 13
13 + 7= 20
3. Now divide 20 by 5
4. Your mean is 4
5. By adding 5 to this list of numbers, you get the same mean and median which is 4

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