Find the Sample Standard Deviation 103 , 155 , 140 , 125 , 130 , 140 , 115

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

Simplify the numerator.

Divide.

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.

Convert ${\displaystyle 103}$ to a decimal value.

Convert ${\displaystyle 155}$ to a decimal value.

Convert ${\displaystyle 140}$ to a decimal value.

Convert ${\displaystyle 125}$ to a decimal value.

Convert ${\displaystyle 130}$ to a decimal value.

Convert ${\displaystyle 140}$ to a decimal value.

Convert ${\displaystyle 115}$ to a decimal value.

The simplified values are ${\displaystyle 103,155,140,125,130,140,115}$.

Subtract ${\displaystyle 129.7}$ from ${\displaystyle 103}$.

Raise ${\displaystyle -26.7}$ to the power of ${\displaystyle 2}$.

Subtract ${\displaystyle 129.7}$ from ${\displaystyle 155}$.

Raise ${\displaystyle 25.3}$ to the power of ${\displaystyle 2}$.

Subtract ${\displaystyle 129.7}$ from ${\displaystyle 140}$.

Raise ${\displaystyle 10.3}$ to the power of ${\displaystyle 2}$.

Subtract ${\displaystyle 129.7}$ from ${\displaystyle 125}$.

Raise ${\displaystyle -4.7}$ to the power of ${\displaystyle 2}$.

Subtract ${\displaystyle 129.7}$ from ${\displaystyle 130}$.

Raise ${\displaystyle 0.3}$ to the power of ${\displaystyle 2}$.

Subtract ${\displaystyle 129.7}$ from ${\displaystyle 140}$.

Raise ${\displaystyle 10.3}$ to the power of ${\displaystyle 2}$.

Subtract ${\displaystyle 129.7}$ from ${\displaystyle 115}$.

Raise ${\displaystyle -14.7}$ to the power of ${\displaystyle 2}$.

Add ${\displaystyle 712.89}$ and ${\displaystyle 640.09}$.

Add ${\displaystyle 1352.98}$ and ${\displaystyle 106.09}$.

Add ${\displaystyle 1459.07}$ and ${\displaystyle 22.09}$.

Add ${\displaystyle 1481.16}$ and ${\displaystyle 0.09}$.

Add ${\displaystyle 1481.25}$ and ${\displaystyle 106.09}$.

Add ${\displaystyle 1587.34}$ and ${\displaystyle 216.09}$.

Subtract ${\displaystyle 1}$ from ${\displaystyle 7}$.

Divide ${\displaystyle 1803.43}$ by ${\displaystyle 6}$.