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2) As an example of precision and accuracy of data, suppose the % carbon in a single compound has been measured three separate times by 2 different students. The theoretical % carbon is 21.34%. Student 1: trial 1 : 26.11%, trial 2: 26.24 % trial 3: 25.92 %, Avg - 26.09 Student 2: trial 1 : 20.35%, trial 2: 22.64 % trial 3: 19.79 %. Avg = 20.93 a) Which student had the more precise data and how can you tell? b) Which student had the more accurate data and how can you tell? 3a) Calculate the % error of Student 1 data in problem 2 above. Show all work below. WATCH SIG FIGS

2) As an example of precision and accuracy of data, suppose the % carbon in a single compound has been measured three separate times by 2 different students. The theoretical % carbon is 21.34%. Student 1: trial 1 : 26.11%, trial 2: 26.24 % trial 3: 25.92 %, Avg - 26.09 Student 2: trial 1 : 20.35%, trial 2: 22.64 % trial 3: 19.79 %. Avg = 20.93 a) Which student had the more precise data and how can you tell? b) Which student had the more accurate data and how can you tell? 3a) Calculate the % error of Student 1 data in problem 2 above. Show all work below. WATCH SIG FIGS

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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2) As an example of precision and accuracy of data, suppose the % carbon in a single compound has been measured thrce separate times by 2 different students. The theoretical % carbon is 21.34%. Student 1: trial 1:26.11%, trial 2: 26.24% trial 3: 25.92 %, Avg - 26.09 Student 2: trial 1: 20.35%. trial 2: 22.64 % trial 3: 19.79 %. Avg = 20.93 a) Which student had the more precise data and how can you tell? b) Which student had the more accurate data and how can you tell? 3a) Calculate the % error of Student 1 data in problem 2 above. Show all work below. WATCH SIG FIGS
Transcribed Image Text:2) As an example of precision and accuracy of data, suppose the % carbon in a single compound has been measured thrce separate times by 2 different students. The theoretical % carbon is 21.34%. Student 1: trial 1:26.11%, trial 2: 26.24% trial 3: 25.92 %, Avg - 26.09 Student 2: trial 1: 20.35%. trial 2: 22.64 % trial 3: 19.79 %. Avg = 20.93 a) Which student had the more precise data and how can you tell? b) Which student had the more accurate data and how can you tell? 3a) Calculate the % error of Student 1 data in problem 2 above. Show all work below. WATCH SIG FIGS
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