The term “arithmetic mean” basically refers to the mathematical average of two or more numbers. However, the method to calculate the arithmetic mean can vary based on the frequency of each variable in the data set –simple average (equally weighted) or weighted average. The formula for the ...
词根arith,计算,词源同read,读,计算。-m,插入鼻音字母。来源于希腊语arithmos(数字)和arithmetike(计算技术),在拉丁语中为arithmetica,古法语为arismetique。 **【点此前往蜂词小程序】查看完整速记技巧 知识扩展 常用短语 arithmetic mean算术均数;等差中项 ...
Having the data, you can always calculate its average, either by using our arithmetic mean calculator, or Excel, or a more advanced desktop or online software. This advice is coming after years of looking at averages for all kinds of data: your best bet is to not trust the average, but...
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When averaging percentages (as in the case of portfolio returns year over year), the geometric mean is required. The geometric average return is also sometimes known as the compound annual growth rate or time-weighted rate of return since it takes the compounding effect of time on the ...
in the last week. It is possible that rather than entering zero for each of the 20 soft drinks that are not consumed, each blank represents zero. In this case, you might well want to treat blank as zero. In many cases, though, a blank might mean ‘not known’. For such cases, ...
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The geometric mean would instead be calculated as (1.2 x 1.06 x 0.9 x 0.99 x 1.06)1/5-1 = 3.74% per year average return. Note that the geometric mean, a more accurate calculation in this case, will always be smaller than the arithmetic mean....