5-Grade8worksheetonaccuracy-1didybp (1).doc - Grade 8 worksheet on accuracy precision Significant figures and error Due NEXT CLASS 1 Define the terms

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Grade 8 worksheet on accuracy, precision, Significant figures and error Due NEXT CLASS!! 1. Define the terms “accuracy” and “precision”. __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ 2. Draw a target diagram that shows precision but not accuracy 3. Draw a target diagram that shows accuracy but not precision 4. Draw a target diagram that shows both accuracy and precision 1 5

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5. Each of five students used the same ruler to measure the length of the same pencil. These data resulted: 15.33 cm, 15.34 cm, 15.33 cm, 15.33 cm, 15.34 cm. The actual length of the pencil was 15.85 cm. Describe whether accuracy and precision are each good or poor for these measurements. __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ 6. Why are significant figures important when taking data in the laboratory? __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ 7. Why are significant figures NOT important when solving problems in your math class? __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ 8. Using two different instruments, I measured the length of my foot to be 27 centimeters and 27.00 centimeters. Explain the difference between these two measurements.
• Winter '17
• Morre
• Accuracy and precision, 1 litre, 3.57 M

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