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English Translations » 化工分析圈 » Daily Question】Chemical Analysis Edition, June 21, 2021

Daily Question】Chemical Analysis Edition, June 21, 2021

2021-06-21View Original

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For a certain sample, the average of five measurement results is 32.30%, with S=0.13%. At a confidence level of 95% (t=2.78), the confidence interval is as follows; which of the following options is correct? A、32.30 ±0.16 B、32.30±0.162 C、32.30±0.1616 D、32.30±0.21 A
Reply #22021-06-21
A、32.30 ±0.16

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Translated at 2026-07-23 19:12:09

Original: https://bbs.hcbbs.com/thread-3233549-1-1.html

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