Sources of data include vital statistics records, medical records, personal interviews, telephone and mail surveys, physical examinations, and laboratory testing public health surveillance data have been used to characterize the magnitude and distribution of illness and injury to. Statistics canada quality guidelines survey steps use of administrative data. Descriptive and inferential statistics when analysing data, such as the marks achieved by 100 students for a piece of coursework, it is possible to use both descriptive and inferential statistics in your analysis of their marks. Buy statistics: a guide to the use of statistical methods in the physical sciences on amazoncom free shipping on qualified orders. Detailed below are some common ways in which statistics are used inappropriately or spun and some tips to help spot this the tips are given in detail at the end of this note. In health care, statistics generally refer to the numbers -- called numerical data -- that describe the characteristics of groups of people statistics are.
Learn how to use sas/stat software with this free e-learning course, statistics 1: technical paper step up your statistical practice with today's sas/stat software discover how the latest modern enhancements to sas/stat software can make a powerful difference in your work. Volume 19 number 2 april-june 2008 statistics in nursing research 213 sample5-8 the mean is the most common meas-ure of central tendency. There are lies, damned lies, and statistics mark twain what this handout is about the purpose of this handout is to help you use statistics to make your argument as effectively as possible introduction numbers are power apparently freed of continued. What is a 'standard error' a standard error is the standard deviation of the sampling distribution of a statistic standard error is a statistical term that measures the accuracy with which a sample represents a population in statistics, a sample mean deviates from the actual mean of a population. Nurses can use statistics everyday use stats to determine population sizes, number of cases of disease/adverse event, estimate incidence, prevalence etc.
Data and statistics about the united states find data about the us, such as maps and population, demographic, and economic data. Allow us to make optimum use of the sample statistic and obtain a best estimate of the population parameter statistical science also allows us to quantify the. The importance of statistics in management decision making by john t williams before using statistics, know exactly what to ask of the data understand what each statistical tool can and can't measure use several tools that complement one another. Statistics as a discipline is considered indispensable in almost all spheres of human knowledge there is hardly any branch of study which does not use statistics scientific, social and economic studies use statistics in one form or another.
No more forceful example of the value of using health statistics to understand and improve health conditions exists than displayed by florence nightingale the recent book by dossey (1999), florence nightingale: mystic, visionary. Data collection collecting data to use in statistics, or summarizing the data, is only an advantage in business if a manager uses a logical approach and collects and reports data in an ethical manner. 1 it can give a precise description of data 2 it can predict the behavior of individuals 3 it ca be used to test a hypothesis.
Uses of statistical information paper erica ellul hcs 438 june 23, 2010 dr donna m williams, phd, msn, med, rn uses of statistical information paper. Why study statistics statistics is the science of collecting, analyzing and making inference from data statistics is a particularly useful branch of mathematics that is not only studied theoretically by advanced mathematicians but one that is used by researchers in many fields to organize. The importance of statistics in economics starts with economics research methods these are used to collect and analyze data for factors, such as per capita income and inflation. Read about research methods and statistics brief article about applications of statistics, statistics and sociology, statistics and government, statistics and planning, statistics and economics guide to sociology students.