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Coefficient of variation, Drip irrigation system, Emitter flow, Performance evaluation, Pressure variation, Uniformity coefficient.

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COVID‑19, disease severity, mortality prediction, red cell distribution width coefficient of variation

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/ Oat Plant, Restricted Maximum Likelihood, Gibbs Sampling, Coefficient of variation.

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Mean, Coefficient of Variation, C.V, Standard Deviation SD, GIS

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Land Use, Coefficient of Variation, Correlation Coefficient, Horizon, Least Significant Difference, Mean Weight Diameter

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Coefficient of variation, Drip irrigation system, Emitter flow, Performance evaluation, Pressure variation

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Welfare distribution of National, income, Justice, Sources of income, inequality, Standard of Living, the Lorenz Curve, Genetic, Laboratories, the Coefficient of Variation

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Rayleigh Pareto distribution, r- th moment about the mean, coefficient of variation, coefficient of skeweness, coefficient of kurtosis, Mode, median, Geometric mean, Harmonic mean, Entropy function, Order statistics, reliability function, reversed hazard function finally the Maximum likelihood estimation."

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The aim of the induction was to identify the data of bio kinematic performance, NLP, motor response, and accuracy of free kick performance among football players, and to identify the relationship between the effectiveness of bio kinematic performance, NLP and motor response, with the accuracy of free kick performance among football players. The researchers used the descriptive approach in order to suit the nature of the research. The research sample included the students of the second stage of the Department of Physical Education of the Faculty of Physical Education and Sports Sciences / University of Halabja for the academic year, 2019/2020 and their number is, 18 students, and the research sample was selected by the intentional method, excluded f the students on whom the pilot study was conducted, and the total number of the sample on whom the study was conducted was, 12 students only. The researchers used the technical scientific observation, the bio kinematic analysis, the NLP test, the motor response test, and the accuracy test of performing a free kick in football as means of data collection, and the data were treated statistically. Using, arithmetic mean, x, standard deviation, , coefficient of variation, coefficient of skewness, and simple correlation coefficient, Pearson, within the programs of the statistical portfolio for the social sciences, statistical package of social Sciences Or SPSS. After analyzing and discussing the results, the most important conclusions drawn from the study were determined, which is the emergence of moral correlations between NLP systems and the accuracy of performing the free kick in football, and their arrangement was in favor of the, visual system, then the, auditory system, then the, sensory system, and the emergence of moral correlations Between some of the variables of bio kinematic performance and the accuracy of the performance of the free kick in football as well as the emergence of a significant correlation between the speed of the motor response and the accuracy of the performance of the free kick in football among the research sample members

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