MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Estimation
A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.
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11. Three students determined the density of a metal and the results were shown below. Given the actual density of this metal is 3.70 g/cm³. 1st reading 2nd reading 3rd reading Student A 3.69 3.71 3.70 Student B 3.81 3.82 3.80 Student C 3.72 3.81 3.85 a) What is the range, error and percent error for each student? b) Which student's measurement is most accurate? Explain your answer. c) Which student's measurement is most precise? Explain your answer.
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Transcribed Image Text:11. Three students determined the density of a metal and the results were shown below. Given the actual density of this metal is 3.70 g/cm³. 1st reading 2nd reading 3rd reading Student A 3.69 3.71 3.70 Student B 3.81 3.82 3.80 Student C 3.72 3.81 3.85 a) What is the range, error and percent error for each student? b) Which student's measurement is most accurate? Explain your answer. c) Which student's measurement is most precise? Explain your answer.
10. A student is given a cube of metal that is known to have a mass of 125.0 grams. She measures the mass of the metal three different times with the following results: 125.1g, 124.8g, 125.3g. a) Calculate the range, error and percent error for her three results. b) Discuss her data with respect to the accuracy and precision.
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Transcribed Image Text:10. A student is given a cube of metal that is known to have a mass of 125.0 grams. She measures the mass of the metal three different times with the following results: 125.1g, 124.8g, 125.3g. a) Calculate the range, error and percent error for her three results. b) Discuss her data with respect to the accuracy and precision.
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