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# Grouped Data to Find the Mean

## Using interval midpoints to calculate mean

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

## Grouped Data to Find the Mean Principles

by CK-12 //basic
This video gives more detail about the mathematical principles presented in Grouped Data to Find the Mean.
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• Video

## Grouped Data to Find the Mean Examples

by CK-12 //basic
This video shows how to work step-by-step through one or more of the examples in Grouped Data to Find the Mean.
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• Lesson Plan

## Using Grouped Data to Find the Mean Lesson Plan

by CK-12 //basic
This lesson plan covers Using Grouped Data to Find the Mean and includes Teaching Tips, Common Errors, Differentiated Instruction, Enrichment, and Problem Solving.
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