Find the Mean 1 , 1 , 2 , 3 , 5 , 8 , 13

$1$ , $1$ , $2$ , $3$ , $5$ , $8$ , $13$

Step 1

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

$\frac{1 + 1 + 2 + 3 + 5 + 8 + 13}{7}$

Step 2

Simplify the numerator.

Add $1$ and $1$ .

$\frac{2 + 2 + 3 + 5 + 8 + 13}{7}$

Add $2$ and $2$ .

$\frac{4 + 3 + 5 + 8 + 13}{7}$

Add $4$ and $3$ .

$\frac{7 + 5 + 8 + 13}{7}$

Add $7$ and $5$ .

$\frac{12 + 8 + 13}{7}$

Add $12$ and $8$ .

$\frac{20 + 13}{7}$

Add $20$ and $13$ .

$\frac{33}{7}$

Step 3

Divide.

$4.\overline{714285}$

Step 4

The mean should be rounded to one more decimal place than the original data. If the original data were mixed, round to one decimal place more than the least precise.

$4.7$

Find the Mean 1 , 1 , 2 , 3 , 5 , 8 , 13

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