This program examines the measurement of blood pressure to introduce the idea that multiple measurements may produce very variable results. The idea that measurement "errors," together with fluctuations in the parameters being measured, create variability is followed by an explanation of both Systematic and Random Error and the recognition of the need for statistical techniques to handle this variability in order to allow inferences to be drawn and decisions made. (25 minutes)

Tell a Friend! Your Name: Your Email: Your Friend's Email: Your Message: We respect your privacy and will not use your friend's address without permission. Item#: BVL6138 Copyright date: ©1996 DVD ISBN 978-1-4213-9569-2

Part of the Series : Why Use Statistics?

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		Describing Data Beginning with an explanation of the difference between "qualitative" and "quantitative" data, this program goes on to explain various ways of presenting data, including Dot Plots, Bar Charts, and Histograms. The program also explains Summary Measure...(more details)		DVD $99.95 DVD + 3-Year Streaming $149.93 3-Year Streaming $99.95
		Polling and Statistics This program shows how statistics are used to forecast the outcome of elections, and how faulty polling methodology produces inaccurate results. The program focuses on the 1992 British parliamentary elections, in which four major polling companies pr...(more details)		DVD $149.95
		Using Samples This program begins with an explanation of the difference between a Population and a Sample, and the reasons why samples are so important in estimating data relating to populations too large or too impractical to be measured in their entirety. The pr...(more details)		DVD $99.95 DVD + 3-Year Streaming $149.93 3-Year Streaming $99.95
		Bivariate Data: When y Depends on x This program demonstrates how "qualitative" bivariate data can be visualized by using a modification of the simple Bar Chart. Quantitative data is dealt with by developing the Dot Plot into the Scatter Diagram, which allows any correlation to show it...(more details)		DVD $99.95 DVD + 3-Year Streaming $149.93 3-Year Streaming $99.95
		Statistical Models in Medicine In this program, statisticians in Barcelona use statistical models to trace the cause of asthma outbreaks. Data gathered from hospital admission records is placed on a time series clock, from which times, frequency, and general locations of outbreaks...(more details)		DVD $149.95

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