Find the Mean (Arithmetic) 88 , 88 , 84 , 68 , 80 , 71 , 73 , 72 , 78 , 79 , 72 , 63 , 87 , 70 , 67

$88$ , $88$ , $84$ , $68$ , $80$ , $71$ , $73$ , $72$ , $78$ , $79$ , $72$ , $63$ , $87$ , $70$ , $67$

The mean of a set of numbers is the sum divided by the number of terms.

$\frac{88 + 88 + 84 + 68 + 80 + 71 + 73 + 72 + 78 + 79 + 72 + 63 + 87 + 70 + 67}{15}$

Simplify the numerator.

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Add $88$ and $88$ .

$\frac{176 + 84 + 68 + 80 + 71 + 73 + 72 + 78 + 79 + 72 + 63 + 87 + 70 + 67}{15}$

Add $176$ and $84$ .

$\frac{260 + 68 + 80 + 71 + 73 + 72 + 78 + 79 + 72 + 63 + 87 + 70 + 67}{15}$

Add $260$ and $68$ .

$\frac{328 + 80 + 71 + 73 + 72 + 78 + 79 + 72 + 63 + 87 + 70 + 67}{15}$

Add $328$ and $80$ .

$\frac{408 + 71 + 73 + 72 + 78 + 79 + 72 + 63 + 87 + 70 + 67}{15}$

Add $408$ and $71$ .

$\frac{479 + 73 + 72 + 78 + 79 + 72 + 63 + 87 + 70 + 67}{15}$

Add $479$ and $73$ .

$\frac{552 + 72 + 78 + 79 + 72 + 63 + 87 + 70 + 67}{15}$

Add $552$ and $72$ .

$\frac{624 + 78 + 79 + 72 + 63 + 87 + 70 + 67}{15}$

Add $624$ and $78$ .

$\frac{702 + 79 + 72 + 63 + 87 + 70 + 67}{15}$

Add $702$ and $79$ .

$\frac{781 + 72 + 63 + 87 + 70 + 67}{15}$

Add $781$ and $72$ .

$\frac{853 + 63 + 87 + 70 + 67}{15}$

Add $853$ and $63$ .

$\frac{916 + 87 + 70 + 67}{15}$

Add $916$ and $87$ .

$\frac{1003 + 70 + 67}{15}$

Add $1003$ and $70$ .

$\frac{1073 + 67}{15}$

Add $1073$ and $67$ .

$\frac{1140}{15}$

Divide $1140$ by $15$ .

$76$

Find the Mean (Arithmetic) 88 , 88 , 84 , 68 , 80 , 71 , 73 , 72 , 78 , 79 , 72 , 63 , 87 , 70 , 67