Statistics is a science that provides precise techniques for collecting and sorting information made easy by tools and methods for further analysis. The object of descriptive statistics, from sample data, is to describe the most important characteristics, by which we refer to those amounts that provide information on the topic of interest which we are studying.

Descriptive statistics is the process of summarizing gathered raw data from a research and creating useful statistics, which help the better understanding of data. According to the types of variables, which consist of qualitative and quantitative variables, some descriptive statistics have been introduced. Frequency percentage is used in qualitative data, and mean, median, mode, standard deviat...

The aim of this study was comparison satisfaction in athletes of leadership styles in the sport of karate.The research employs descriptive-correlation method.The population of the study, all athletes participating in the 2012 national competition in karate formed two studies (150 patients)from which the sample was taken of all methods Of which 80 were women and 70 were men.This study includes a...

BACKGROUND In biomedical research papers, authors often use descriptive statistics to describe the study sample. The standard deviation (SD) describes the variability between individuals in a sample; the standard error of the mean (SEM) describes the uncertainty of how the sample mean represents the population mean. Authors often, inappropriately, report the SEM when describing the sample. As t...

Linda Shields PhD, FRCNA, Professor of Nursing, University of Limerick, Ireland This is one of a series of short papers on aspects of research by Alison Twycross and Linda Shields You’ve found a piece of research that you think may be relevant to your practice but it is full of statistics and you can make neither head nor tail of them. Why do researchers bother doing statistical tests? What on ...

this study was conducted with the aim of examining the impact of islamic work ethics on organizational justice, job satisfaction and absence from work in the staffs of department of electrical of urmia. the population consisted of all staffs of department of electrical of urmia that among them, 205 people were selected as samples. research methods is descriptive correlational and three standard...