aim: what is percent error (percent deviation)? how far off are your results from the true,...

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Aim: What is percent error (percent deviation)? • How far off are your results from the TRUE, ACCEPTED, or ABSOLUTE value. • Values are expressed as a percentage (%).

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Page 1: Aim: What is percent error (percent deviation)? How far off are your results from the TRUE, ACCEPTED, or ABSOLUTE value. Values are expressed as a percentage

Aim: What is percent error (percent deviation)?

• How far off are your results from the TRUE, ACCEPTED, or ABSOLUTE value.

• Values are expressed as a percentage (%).

Page 2: Aim: What is percent error (percent deviation)? How far off are your results from the TRUE, ACCEPTED, or ABSOLUTE value. Values are expressed as a percentage

Page 1: Earth Science Reference Table (ESRT):

Page 3: Aim: What is percent error (percent deviation)? How far off are your results from the TRUE, ACCEPTED, or ABSOLUTE value. Values are expressed as a percentage

Example:

1. A student’s measurement of the mass of a rock is 30 grams. If the accepted value for the mass of the rock is 33 grams, what is the percent deviation of the student’s measurement?

Page 4: Aim: What is percent error (percent deviation)? How far off are your results from the TRUE, ACCEPTED, or ABSOLUTE value. Values are expressed as a percentage

1. The accepted mass of a liquid is 600 grams, but a student measures the mass as 612 grams. What is the percent deviation of the student’s measurement?

Summary

2. A student determines the latitude of a city to be 42°N. When the student uses a globe, the actual latitude is 50°N. What is the student’s percent deviation?

Page 5: Aim: What is percent error (percent deviation)? How far off are your results from the TRUE, ACCEPTED, or ABSOLUTE value. Values are expressed as a percentage

3. A student measures the velocity a stream as 5.5 m/sec. The actual velocity of the water is 6.0 m/sec. What is the student’s percent deviation?

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