standard deviation造句

coefficient of standard deviation

Polled standard deviation

population standard deviation

sample standard deviation

The square of the standard deviation.

experimental standard deviation of the mean

is the population (known) standard deviation. If omitted, the sample standard deviation is used

And you can calculate the standard deviation that way.

The standard deviation is the square root of the variance.

A volatile stock would have a high standard deviation.

The relative standard deviation should be no greater than 2.0%.

The precision of an analytical procedure is usually expressed as the standard deviation or relative standard deviation (coefficient of variation) of a series of measurements.

Objective To explore actual value on two methods between standard deviation by calculating one third of CLIA 88 permitted error and actual standard deviation in internal quality control.

Calculates standard deviation based on the entire population given as arguments (ignores logical values and text)

Returns the inverse of the normal cumulative distribution for the specified mean and standard deviation

Actually calculating standard deviation can be a little challenging, but luckily many performance tools can help.

Text categorization approach based on probability standard deviation with evaluation of distribution information

On the scale, the slope of the straight line provides a measure of the standard deviation.

The standard and standard deviation of plum rain intensity index are used to setup the classification standard of plum rain intensity state.

Write a program to input100 integers from a file, and then determine the mean and standard deviation.

The mean and standard deviation of the Concentration of gray classes in WANNING and QINDAO were provided.

The Six Sigma Black Belt should be able to compute the mean and standard deviation from a grouped frequency distribution.

Therefore, the method is easy and quick to operate and of high precision and its standard deviation is below 0.084%.

To define a particular normal probability distribution, we need only two parameters: the mean(μ)and the standard deviation(θ).

We shall use the standard error of estimate as a tool in the same way that we can use the standard deviation.

Aspirate the reference solution after every third calibration or test solution to check stability of base line. Calculate standard deviation for every third solution aspirated.

There is no significant difference between the result of the method and that of micro-Kjeldahl′s method according tot test. The relative standard deviation is 3.1%.

Based on site measuring and laboratory testing, these parameters 'mean and standard deviation are calculated, and the linear stiffness for the system of formwork supports is measured.

There is no doubt that both the mean and standard deviation are effected by the presence of outliers, while the median and IQR are much less impacted.

Furthermore, the average, variance and standard deviation are processed to testify the existence, occurrence stability and influence of each hypothetical role.

Using the method of merging sample standard deviation and evaluating indeterminacy of category B to calculate the indeterminacy aroused by repetitiveness can obtain reliable standard indeterminacy in much less time tallied with the inspection procedure.

Establishment a standard of wavelet analysis by analysis standard deviation of every sub-signal, handles to provide to according to the de-noising of the fetal heart rate signal.

Compared with the conventional PID masterslave control method, the move mean difference is reduced by 18.2% and the move standard deviation is reduced by 61.5%, and the exposure effect can be ensured.

You want to, for any given expected return, you want to minimize the standard deviation, so it's the left-most line and that means that everyone will be holding the same portfolio.

Results Total standard deviation of every solution was less than 5% of the concentration or detection limit. The confident limit of total average rate of recovery in sample kept in range of allowable.

Methods: the source of measurement uncertainty of the colony determination in fishmeal was analyzed and the method of uniting standard deviation was applied to determine the uncertainty of the colony.

The researcher used SPSS to analyze the data as soon as they were collected. During the process of analysis, description of mean and standard deviation, the ANOVA, and the Chi-square tests were used.

The relativestandard deviation of 17 measurements performed during Apr.1975 to Aug.1978 is±0.32%.