The research tool was self-developed questionnaire. The data were analyzed with SAS PC software on percentage, average mean, and standard deviation for descriptive analysis.

本研究以自行编制问卷为工具，资料处理以SAS PC套装软体计算百分比等级、平均数和标凖差，进行描述统计分析。

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The normal population characteristics, such as the mean, standard deviation, percentile, percentage and coefficient of variation, are often tested in engineering.

正态母体特征值（母体均值、百分位值、百分率、标准差和变异系数等）的检验是工程中常见的问题。

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Other measures also suggest sentiment is running hot, including the spread between bullish and bearish sentiment (37.6 percentage points) and the standard deviation (bullish sentiment is more than one standard deviation above the historical mean).

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For example, two of eight American League clubs in 1927 posted winning percentages below .400, leading to a league-wide standard deviation of .123 percentage points above and below the average .500 record.

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Since Jan 2001, Life Science investing as a percentage of total VC investing each quarter has averaged 26% with a standard deviation of only 5%.

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