The arithmetic mean is also called the "average." It is used in mostscientific experiments. Mathematically, the arithmetic mean is given simply by: arithmetic mean = Sum of all datapoints Total number of data-points (n) or in a more complicated form (wikipedia): ...
"the average income in New England is below that of the nation" "of average height for his age" "themeanannual rainfall" 2. characterized by malice; "a hateful thing to do" "in ameanmood" 3. having or showing an ignoble lack of honor or morality; ...
(Mathematics) an average value of a set of integers, terms, or quantities, expressed as their sum divided by their number:the arithmetic mean of 3, 4, and 8 is 5. Often shortened to:meanAlso called:averageComparegeometric mean Collins English Dictionary – Complete and Unabridged, 12th Editio...
英 un.算术平均数;算术中项;算术平均值;算术均数 网络等差中项;算术中顶;算数平均数 复数:arithmetic means 权威英汉双解 英汉 英英 网络释义 arithmetic-mean — see also mean 释义: 全部,算术平均数,算术中项,算术平均值,算术均数,等差中项,,算数平均数...
If historical, or ex-post, data are known, an analyst can easily compute historical average return and risk measures. If Xt represent a data item for period t, the arithmetic average , over n periodsChengFew LeeAlice C. LeeSpringer US...
The mean is a number that is the average of a set of numbers. 近义词 average 双语例句 例: Take a hundred and twenty values and calculate the mean. 取120个值计算平均数。 例: the mean score for 26-year-olds. 26岁的人的平均得分。 PHRASE. 习语 I mean 1. 也就是说 You say 'I mean...
In contrast, the median is the middle number in a set of values when those values are arranged from smallest to largest, while the mode of a set of values is the most frequently repeated value in the set. The word average is of course also very commonly used in more general ways. In...
is calculated by dividing the sum of all observations in the dataset by the total number of observations. The mean is significantly affected by the outliers, that is, extremely large or small values. The mean is also called asmathematical expectation, or average. The sample mean is denoted by...
Null hypothesis: The average age was 60. Alternative hypothesis: The average age was less than 60.Which can be expressed with symbols as:H0: μ=60 H1: μ<60This is a 'left tailed' test, because the alternative hypothesis claims that the proportion is less than in the null hypothesis....
This paper proposes a new channel normalization algorithm called parametric cepstral mean normalization (PCMN) to increase robust- ness of speech recognition to varying acoustic conditions. Rather than using a simple average of input speech features as channel es- timate, as done in the traditional...