【Daily Question】January 14, 2016: Participation +2 Wealth； +3 to 8 wealth for correct answers

Thread Content

This post was last edited by zjp on 2016-1-16 at 14:25. To increase the popularity of the chemical analysis section, a \"One Question per Day\" campaign has been launched; this aims to foster active technical exchanges while also providing financial rewards to users. 【Daily Question】 (Single-choice question) Which of the following statements is incorrect? ( ) A. Error is based on the true value, while deviation is based on the average value. B. For a particular measurement, the magnitude of its systematic error can be determined. C. Under a normal distribution, the smaller the σ value, the flatter the peak shape. D. The mean deviation is often used to indicate the degree of dispersion in a set of measurement data. Correct answer: C. Post your answer in the replies; participating in answering earns +2 wealth points. Getting all answers correct adds another +3 to +8 wealth points. Those who provide thorough analysis and explanations for the questions or answers (or include detailed calculation processes) will receive additional wealth rewards. If your answer is correct and your analysis and explanation are accurate, it will be marked as the best reply (or the best assistance). Feel free to answer the questions. Note: We will close this post after 24 hours, and at that time we will announce the best reply (the best assistance), as well as the answer and explanation.