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Shalnov [3]
3 years ago
15

The mean of 10,12,16,20,p,26 is 17.Find the value of p.

Mathematics
2 answers:
zavuch27 [327]3 years ago
7 0
Answer:  " p = 18 " .
__________________________________________________
Explanation:
__________________________________________________
The [arithmetic] mean =
 
{the sum of all the values in the data set} 
        divided by {the number of values in the number set} ; 
__________________________________________________
  → 17 = (<span>10 + 12 + 16 + 20 + 26 + p) / 6 ;  

__________________________________________________
</span>→ (10 + 12 + 16 + 20 + 26 + p)  = 17 * 6 ;

 →     (p + 84) = 102

Subtract "84" from each side of the equation; 
  to isolate "p" on one side of the equation; & to solve for "p" ; 

→ p + 84 – 84 = 102 – 84 ; 

→ p = 18 . 
_________________________________________________

The answer is:
 " p = 18 " .
_________________________________________________
Paha777 [63]3 years ago
3 0
There are 6 numbers total

17 * 6 = 102

10 + 12 + 16 + 20 + 26 = 84

p = 102-84 = 18

p = 18
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