解析 A A parameter is any descriptive measure of a population characteristic. The population variance describes a population while the sample standard deviation, sample mean, and sample mode are each descriptive measures of samples.反馈 收藏
作者: Population and sample 摘要: Outline Population and Sample Population parameter and sample statistics Random sampling error, variance of sampling statistics. Central Limit Theorem and distribution of the samplestatistics z score and t score Confidence interval Hypothesis testingExperiment Here is a ...
C.standard deviation of a sample of observations.相关知识点: 试题来源: 解析 A A is correct. Any descriptive measure of a population characteristic is referred to as a parameter.【释义】A是正确的。对总体特征的任何描述性度量都被称为参数。反馈 收藏 ...
母体参数PopulationParameter样本统计量SampleStatistic
A parameter is a characteristic of a population. A statistic is a characteristic of a sample andsamplescan only result in inferences about a population characteristic. Inferential statistics allow you to make an educated guess about a population parameter based on a statistic computed from a sample...
PopulationParameterandSampleStatistics 統計上用來描述資料特性的摘要性數值,稱之 為統計表徵數(StatisticalCharacteristic)或統計 測量數(StatisticalMeasurement)。 依描述母體與樣本的不同,分別稱之為: –母體參數(PopulationParameter) ---用來描述母體特質的測量數。 –樣本...
Elsevier B.V.Ecological ModellingCheng Zhi-Bin, Li Bai-Lian, Zou Chao-Shun and Que Tai-Lin, 1986. Parameter estimation of nonlinear population model with two parameters, growth of a yeast population as an example. Ecol. Modelling, 34: 191-196....
Additionally, we can calculate a lower bound and an upper bound for the estimated parameter.The margin of error is the difference between the lower and upper bounds from the point estimate.Together, the lower and upper bounds define a confidence interval....
Not every influence parameter of the drop size found its application already in the existing models. The concentration of surfactants or other surface active agents is the most obvious example. Generally, an additive or unintended `impurity' can have a profound impact on the drop size. This ...
Note that the estimates for the climate model parameter (βClimate) do not overlap zero (denoted by vertical the grey lines). Full size image Fig. 4: Regression results for the mixed human and climate models. Note that for humans (βHumans) the estimates are centred on zero, whereas for ...