Chapter7: Statistical Data Treatment And Evaluation
Section: Chapter Questions
Problem 7.1QAP
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Question
What is the meaning of a confidence interval?
Expert Solution
Step 1
In chemistry there are many ways to check the deviation of experimental data from the accurate value. These different methods provide difference between accuracy and precisions of the experimental data which can be further used to calculate the error percentage in the experiment.
Step 2
Confidence interval can be defined as the amount of uncertainty associated with the experimental set of data. For example; the accurate mass of the substance must be 30 g then the confidence interval that the answer probably lies between 20-40 g.
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