Standard Deviation - Algebra 2 Quiz

The formula for standard deviation is the following:

$\sigma = $\sqrt{\frac{\sum (x - $x_{avg}$$)^2}{n-1}}$ .

Where,

$\sigma = $\text{ standard deviation}$$ ,

$n=$\text{ number of data points}$$ .

Five students took a test and recieved the following grades: , , , , . What is the standard deviation of the test grades to the nearest decimal place?

Standard Deviation Practice Test

Determine the standard deviation for the following data set:

12, 15, 30, 5, 27, 19

Question Navigator

Standard Deviation Practice Test

Determine the standard deviation for the following data set: 12, 15, 30, 5, 27, 19

Question Navigator

Determine the standard deviation for the following data set:

12, 15, 30, 5, 27, 19