Lab report for EC0.docx - Lab report for EC0 Experiment...

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Lab report for EC0 Experiment: Error Analysis VI(1) In this experiment we measured the length of the table in the lab room. Each person in the group measured the table three times without discussing the found measurements with one another until all measurements were complete. This was to prevent any sway of measuring techniques or biases. The data was collected and put into a chart. The data following displays the first 3, 5 and all 10 measurements respectively with their averages, standard deviations and the standard deviations of the averages found as well. # L(cm) 1 170.5 2 174 3 173 avg. 172.5 total 517.5 stdev. 1.80277 6 stdev. avg 1.04083 3 # L(cm) 1 170.5 2 174 3 173 4 175 5 172.8 avg. 173.06 total 865.3 stdev. 1.67869 stdev. avg 0.75073 3 # L(cm) 1 170.5 2 174 3 173 4 175 5 172.8 6 176 7 170 8 174
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9 173 10 178 avg. 173.63 total 1736.3 stdev. 2.38795 6 stdev. avg 0.75513 8 The average L (cm) and its uncertainty for the set of 10 data was found to be: ´ L±σ L L :173.6 ± .755 cm The number of trials affect the values of σ L σ L L because as the number of trials increase the standard deviation values also increase.
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