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Find the Mean 1.2 , 4.3 , 5.7 , 7.4 , 7.4

$1.2$ , $4.3$ , $5.7$ , $7.4$ , $7.4$

Step 1

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

$\frac{1.2 + 4.3 + 5.7 + 7.4 + 7.4}{5}$

Step 2

Simplify the numerator.

Add $1.2$ and $4.3$ .

$\frac{5.5 + 5.7 + 7.4 + 7.4}{5}$

Add $5.5$ and $5.7$ .

$\frac{11.2 + 7.4 + 7.4}{5}$

Add $11.2$ and $7.4$ .

$\frac{18.6 + 7.4}{5}$

Add $18.6$ and $7.4$ .

$\frac{26}{5}$

$\frac{26}{5}$

Step 3

Cancel the common factor of $26$ and $5$ .

Rewrite $26$ as $1 (26)$ .

$\frac{1 (26)}{5}$

Cancel the common factors.

Rewrite $5$ as $1 (5)$ .

$\frac{1 \cdot 26}{1 \cdot 5}$

Cancel the common factor.

$\frac{1 \cdot 26}{1 \cdot 5}$

Rewrite the expression.

$\frac{26}{5}$

$\frac{26}{5}$

$\frac{26}{5}$

Step 4

Divide.

$5.2$

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