Handout
Artel: Lab Report 4: Defining Accuracy, Precision, and Trueness Handout
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Artel: Lab Report 4: Defining Accuracy, Precision, and Trueness

For Students 9th - 10th
This maker of precision instruments presents this solid article on the topic of accuracy and precision. Great discussion of types and sources of error, and quality control.
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Unit Plan
James Wright: Measures of Central Tendency Unit Plan
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James Wright: Measures of Central Tendency

For Students 9th - 10th Standards
This site looks at measures of central tendency and dispersion. Discussed are topics such as standard deviation, mean, median, and mode.
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