Statistics should be interpreted with caution as they can be misleading; they can both lie and tell the truth.Discuss. AS we all known that statistics plays a very important role in the social development. People use statistics in each field of science‚ such as physical sciences‚ humanities‚ especially the biological sciences. Statistics as a series of methods which used to summarize or describe our observations tell the person who made the statistics relative objective results or truth‚ at the
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Validity- does the variable accurately reflect the phenomenon you are trying to measure. Reliability- does the indicator consistently assign the same number. Cross-sectional data- no time/multiple entries. Panel data set- multiple entries/over time. Time series-one entry/time. Population: the total set of items or people that a researcher is interested in studying. Sample: a subset of the population- random or nonrandom. Goal is to be representative of population.Criteria for evaluating causal relationships
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STATISTICS AND DECISION-MAKING IN HRM (word count 1155) The word statistics has a Latin origin where the word status means state. Statistics is defined as the science that helps us understand how to collect‚ organize and interpret numbers or other information (data) about some topic (Bennett‚ et al.‚ 2003). It is a discipline of data collection and summarizing to aid understanding and decision-making. It is also concerned with evaluation of the present status and predicting the future (Stockberger
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ADDITIONAL MATHEMATICS: PROJECT WORK 2013 “Statistics in our daily life.” CONTENTS Introduction Acknowledgement Part 1 Part 2 Part 3 Further exploration Conclusion Reflection INTRODUCTION I‚ along with my fellow classmates‚ had been given a task by our Additional Mathematics teacher‚ which was the Additional Project Work 2013. Statistics is the study of the collection‚ organization‚ analysis‚ interpretation and presentation of data. It
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The Mean and Median: Measures of Central Tendency The Mean and the Median The difference between the mean and median can be illustrated with an example. Suppose we draw a sample of five women and measure their weights. They weigh 100 pounds‚ 100 pounds‚ 130 pounds‚ 140 pounds‚ and 150 pounds. To find the median‚ we arrange the observations in order from smallest to largest value. If there is an odd number of observations‚ the median is the middle value. If there is an even number of observations
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Mike Maguire: Crime statistics are not simple reflection of ‘facts’‚ but one of many possible tools for gaining a better understanding of the highly complex and rapidly changing forms of behavior that can be described as ‘crime’. A ‘rise (or fall) in crime’ indicated by police records or survey results should be regarded as an important piece of evidence about‚ rather than conclusive proof of‚ changes in the scale and patterns of such behaviours. Crime statistics are not immune from political
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Fitness Center Report With the launch of AJ’s Fitness and as their current MBA intern‚ I was tasked with analyzing the results of a recent survey that was given the fitness center’s current members. Of the 1‚833 members surveyed‚ we receive 133 usable responses. The following report details an analysis of the results from the membership survey‚ as well as some suggested changes that can be implemented by new management to increase overall membership satisfaction. Overall Satisfaction &
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Research and Statistics in Health Sciences As health care evolves in our nation‚ the role of research and statistics will evolve right along with it. There will be more research into medical care‚ health care costs‚ medications‚ and types of treatments. The most common types of statistics reported will be the fertility rates‚ which includes vital statistics (birth‚ death‚ marriage‚ divorce rates)‚ morbidity (the incidence of disease in a population)‚ and mortality (the number of people who
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"Lies‚ damned lies‚ and statistics" is a phrase describing the persuasive power of numbers‚ particularly the use of statistics to bolster weak arguments. It is also sometimes colloquially used to doubt statistics used to prove an opponent’s point. The term was popularised in the United States by Mark Twain (among others)‚ who attributed it to the 19th-century British Prime Minister Benjamin Disraeli (1804–1881): "There are three kinds of lies: lies‚ damned lies‚ and statistics." This Line stresses
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Faculty of Actuaries Institute of Actuaries EXAMINATION 12 April 2005 (am) Subject CT3 Probability and Mathematical Statistics Core Technical Time allowed: Three hours INSTRUCTIONS TO THE CANDIDATE 1. Enter all the candidate and examination details as requested on the front of your answer booklet. 2. You must not start writing your answers in the booklet until instructed to do so by the supervisor. 3. Mark allocations are shown in brackets. 4. Attempt all
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