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A.median of a population. B.mean of a sample of observations. 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...
The copepod model, reduced to a zerodimensional population model calibrated for Acartia spp. under the environmental conditions typical ofthe southern Baltic Sea, was used to determine the effects of temperature and food concentration on the growth rate ofeac h oft he model stages (see Part 1 ...
I., 2009a, Parameterisation of a population model for Acartia spp. in the southern Baltic Sea. Part 1. Development time, Oceanologia, 51 (2), 185-201, http://dx.doi.org/10.5697/ oc.51-2.185.Dzierzbicka-Głowacka L, Lemieszek L, Z_ mijewska MI (2009) Param- eterisation of...
mean of a sample of observations 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】人口特征的任何描述性度量都被称为参数。反馈 收藏 ...
1、In generating an estimate of a population parameter, a larger sample size is most likely to improve the estimator’s:【单选题】 A. efficiency. B. consistency. C. unbiasedness. 相关知识点: 试题来源: 解析 B “Sampling and Estimation,” Richard A. Defusco, CFA, Dennis W. McLeavey, ...
正确答案:A 答案解析:A consistent estimator is one for which the probability of estimates close to the value of the populationparameter increases as the sample size increases. Unbiasedness and efficiency are properties of anestimator's sampling distribution that hold for any size sample.Section 4.1反...
A. the sample size is small B. the estimate is less precise C. the estimate is more precise D. the population parameter is unknown 相关知识点: 试题来源: 解析 C。置信区间窄表示估计更精确,选择 C 选项。反馈 收藏
Louis, T.A.: Estimating a population of parameter values using Bayes and empirical Bayes methods. J. Am. Stat. Assoc. 79 , 393–398 (1984)Louis, T. A. ( 1984 ) Estimating a population of parameter values using Bayes and empirical Bayes methods . J. Am. Statist. Ass. , 78 , ...
A range of estimated values within which the actual value of a population parameter will lie with a given probability of 1 − α is a(n): A. α percent point estimate. B. (1 − α) percent confidence interval. C. α percent confidence interval. D. (1 − α) percent cross-sect...