Accuracy, Precision, Variation and Tolerance Module

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Lesson Structure and Evaluation


1. Goals:
• Design and execute experiments, gather data to answer relevant questions, and communicate results and conclusions to an audience using traditional methods and contemporary technology
   to make a more efficient job in managing the cafeteria
• Develop an understanding of the difference between accuracy and precision, of the significance of variation and tolerance in making informed desicions
• Conduct research using a variety of sources (written, oral, electronic etc.) and use contemporary technology to produce documents of publication for specific purposes and audiences

2. Materials:  
Internet access
Excel 5.0 or other spreadsheet

3. Suggested timeline:
• 1st Day--Accuracy vs. Precision
• 2nd Day--Tolerance: An Automotive Lab
• 3rd and 4th Days--Variation: An Automotive Lab.
• 5th Day--Variation: Variance and Standard Deviation

4. Evaluation:
• On-going throughout the module with the difference experiments and problems suggested on the homepage