Reporting with Precision and Accuracy

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Presentation transcript:

Reporting with Precision and Accuracy Section 1.3 Reporting with Precision and Accuracy

Objective By following instructions students will be able to: Choose a level of accuracy appropriate to limitations on measurement when reporting quantities.

Explore: Comparing Precision of Measurements Definition Precision: the level of detail of a measurement, determined by the smallest unit or fraction of a unit that can be reasonably measured. Definition Accuracy: the closeness of a given measurement or value to the actual measurement or value. Suppose you know the actual measure of a quantity, and someone else measures it. You can find the accuracy of the measurement by finding the absolute value of the difference of the two.

Explore A:

Explore B:

Explore C:

Explain 1A

Explain 1B

Reflect Your-Turn #1 a) b)

Explain 2

Reflect Your-Turn #2 a) b) c)

Explain 3A

Explain 3B

Reflect Your-Turn #3

Elaborate Give two measurements, is it possible that the more accurate measurement is not the more precise? What is the relationship between the range of possible error in the measurements used in a calculation and the range of possible error in the calculated measurement.

Revisit Objective Did we… Choose a level of accuracy appropriate to limitations on measurement when reporting quantities?

Homework HW: Day 1: page 35 #s 13-19 (use a table) 22-24