<img src="https://d5nxst8fruw4z.cloudfront.net/atrk.gif?account=iA1Pi1a8Dy00ym" style="display:none" height="1" width="1" alt="" />

## Range, variance, standard deviation

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
• Video

## Measures of Dispersion - Example 1

by CK-12 //basic
Finding the Range and Mean Absolute Deviation of a Data Set
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Algebra II: Mean and Standard Deviation

by CK-12 //basic
Learn mean and standard deviation with a word problem.
MEMORY METER
This indicates how strong in your memory this concept is
0