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Chemistry
10th
grade
Accuracy, Precision, and % Error Extra Practice
20 questions
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- 1. Multiple ChoiceIt is a measure of how close measurements come to each other when they are made in the same wayAccuracyPrecisionErrorExtrapolation
- 2. Multiple Choice
How close a measurement is to the accepted value is called..
Accuracy
Precision
Significant
Estimate
- 3. Multiple Choice
How close a measurement is to the true value is called..
Accuracy
Precision
Significant
Estimate
- 4. Multiple ChoiceThis bullseye demonstrates...High Accuracy & High PrecisionHigh Accuracy & Low PrecisionLow Accuracy & High PrecisionLow Accuracy & Low Precision
- 5. Multiple Choice?High Accuracy & High PrecisionHigh Accuracy & Low PrecisionLow Accuracy & High PrecisionLow Accuracy & Low Precision
- 6. Multiple ChoiceDescribe the accuracy and precision of the imageAccurate and PreciseAccurate and not preciseNot Accurate and Precisenot accurate and not precise
- 7. Multiple ChoiceThis image is an example of...precision ONLYaccuracy ONLYBOTH precision and accuracyNEITHER precision and accuracy
- 8. Multiple Choicevolume?48 mL48.2 mL48.25 mL4 mL
- 9. Multiple ChoiceVolume?63.5 mL63 mL63.55 mL6 mL
- 10. Multiple Choice
Which is the more precise measurement?
4 mL
4.3 mL
4.30 mL
4.300 mL
- 11. Multiple ChoiceJessie estimates the weight of her cat to be 8 pounds. The actual weight of the cat was 10 pounds. Find the percent error.15%20%25%30%
- 12. Multiple Choice
The deer population is estimated to be 17,600 in northern Illinois, but an actual count was 21,300. What is the percent error?
21%
17.37%
17.4%
21.02%
- 13. Multiple ChoiceA set of data are all close to each other, and they are close to the actual value. This set of data can be described as...accuratepreciseboth precise and accurate
- 14. Multiple ChoiceA set of data are all close to each other, but they are not close to the actual value. This set of data can be described as...accuratepreciseboth precise and accurate
- 15. Multiple Choice
A company claims to sell 15 candy pieces in each bag. Judy counts her bag and finds 14, Josh finds 16, and Jill finds 15. The company is...
accurate
precise
accurate and precise
neither accurate nor precise
- 16. Multiple Choice
In a lab, what is the best percent error to get?
0%
anywhere between -10% and +10%
100%
50%
- 17. Multiple Choice
In a lab, it is best to be...
accurate
precise
accurate and precise
neither accurate nor precise
- 18. Multiple Choice
A company claims to sell 20 candy pieces in each bag. Judy counts her bag and finds 14, Josh finds 16, and Jill finds 15. The company is...
accurate
precise
accurate and precise
neither accurate nor precise
- 19. Multiple Choice
A company claims to sell 20 candy pieces in each bag. Judy counts her bag and finds 14, Josh finds 18, and Jill finds 29. The company is...
accurate
precise
accurate and precise
neither accurate nor precise
- 20. Multiple Choice
A company claims to sell 20 candy pieces in each bag. Judy counts her bag and finds 17, Josh finds 20, and Jill finds 23. The company is...
accurate
precise
accurate and precise
neither accurate nor precise
- Answer choicesTagsAnswer choicesTags