If a method produces a random error for each measurement of 4%, but a percent error of equal to or less than 1% is required for this value for later analysis, what is the minimum number of measurements that must be collected and averaged

Question

Anya Bullock

Chemistry

8 January, 16:19

If a method produces a random error for each measurement of 4%, but a percent error of equal to or less than 1% is required for this value for later analysis, what is the minimum number of measurements that must be collected and averaged

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Answers (1)

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Liana Huerta · Answer 1

7.05

Explanation:

Random error is = 0.282

Remember (random error / total sum of errors) x 100 = 4%

Which is 0.282 / total sum of errors = 428.2

Total sum of errors = 7.05