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3. Three students make measurements (in m) of the length of a rod using a meter stick. Each student's measurements are tabulated in the table below. Using your calculator in statistic mode calculate the mean L, standard deviation S and uncertainty u of the measurements. Student L₁ Student 1 1.4717 Student 2 1.4753 Student 3 1.4719 L₂ 1.4711 1.4759 1.4723 L3 1.4722 1.4756 1.4705 L4 1.4715 1.4749 1.4719 ī 1.4716 1.4754 11.4716 SD 0.000397 ±0.000.397 0.000370 ± 0.000370 10.000685 £0.000685 u Note that the actual length of the rod is determined by a laser measurement technique to be 1.4715 m (this should be considered the standard value). a) State how one determines the accuracy of a measurement. Apply your idea to the measurements of the three students above and state which student has the most accurate measurement.

3. Three students make measurements (in m) of the length of a rod using a meter stick. Each student's measurements are tabulated in the table below. Using your calculator in statistic mode calculate the mean L, standard deviation S and uncertainty u of the measurements. Student L₁ Student 1 1.4717 Student 2 1.4753 Student 3 1.4719 L₂ 1.4711 1.4759 1.4723 L3 1.4722 1.4756 1.4705 L4 1.4715 1.4749 1.4719 ī 1.4716 1.4754 11.4716 SD 0.000397 ±0.000.397 0.000370 ± 0.000370 10.000685 £0.000685 u Note that the actual length of the rod is determined by a laser measurement technique to be 1.4715 m (this should be considered the standard value). a) State how one determines the accuracy of a measurement. Apply your idea to the measurements of the three students above and state which student has the most accurate measurement.

University Physics Volume 1
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter1: Units And Measurement
Section: Chapter Questions
Problem 83AP: A marathon runner completes a 42.188-km course in 2 h, 30 min, and 12s. There is an uncertainty of...
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Hello, based on the table can you please help me do a, b and c?
3. Three students make measurements (in m) of the length of a rod using a meter stick. Each student's measurements are tabulated in the table below. Using your calculator in statistic mode calculate the mean L, standard deviation S and uncertainty u of the measurements. Student L₁ Student 1 1.4717 Student 2 1.4753 Student 3 1.4719 L₂ 1.4711 1.4759 1.4723 L3 1.4722 1.4756 1.4705 L4 1.4715 1.4749 1.4719 ī 1.4716 1.4754 11.4716 SD 0.000397 ±0.000.397 10.000 370 ± 0.000370 10.000685 ± 0.000685 u Note that the actual length of the rod is determined by a laser measurement technique to be 1.4715 m (this should be considered the standard value). a) State how one determines the accuracy of a measurement. Apply your idea to the measurements of the three students above and state which student has the most accurate measurement.
Transcribed Image Text:3. Three students make measurements (in m) of the length of a rod using a meter stick. Each student's measurements are tabulated in the table below. Using your calculator in statistic mode calculate the mean L, standard deviation S and uncertainty u of the measurements. Student L₁ Student 1 1.4717 Student 2 1.4753 Student 3 1.4719 L₂ 1.4711 1.4759 1.4723 L3 1.4722 1.4756 1.4705 L4 1.4715 1.4749 1.4719 ī 1.4716 1.4754 11.4716 SD 0.000397 ±0.000.397 10.000 370 ± 0.000370 10.000685 ± 0.000685 u Note that the actual length of the rod is determined by a laser measurement technique to be 1.4715 m (this should be considered the standard value). a) State how one determines the accuracy of a measurement. Apply your idea to the measurements of the three students above and state which student has the most accurate measurement.
b) Do any of the three students have data that suggest the possibility of an error? If so, state which student it is, and state how the data indicate your conclusion. c) Which student has the best measurement considering both accuracy and precision? State clearly what the characteristics are of the student's data on which your answer is based.
Transcribed Image Text:b) Do any of the three students have data that suggest the possibility of an error? If so, state which student it is, and state how the data indicate your conclusion. c) Which student has the best measurement considering both accuracy and precision? State clearly what the characteristics are of the student's data on which your answer is based.
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