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14440CAUSEweb.orgen-useditor@causeweb.orgwebmaster@causeweb.orgMon, 1 Sep 2014 12:00:00 -0400Tue, 20 May 2014 12:00:00 -0400http://www.rssboard.org/rss-2-0-1Webinar: Using Your Hair To Understand Descriptive Statistics
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http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=2229October 26, 2010 Activity Webinar presented by Tisha Hooks, Winona State University and hosted by Leigh Slauson, Capital University. Extra materials available to download free of charge. The purpose of this webinar is to introduce an activity to enhance students' understanding of various descriptive measures. In particular, by completing this hands-on activity students will experience a visual interpretation of a mean, median, outlier, and the concept of distance-to-mean.Sun, 28 Nov 2010 11:25:23 -0500Introduction to Levels of Measurement Module
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http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=2099In this module, students can test their knowledge of levels of measurement by attempting to determine the the level of measurement of ten different variables. For each variable, a statement is also provided and students can indicate whether the statement about the variable is valid or invalid (given the way in which the variable was measured). There is also a brief "refresher" included here about levels of measurement.Fri, 9 Jul 2010 02:37:04 -0400**Levels of Measurement Game
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http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=2025This tool provides individuals with opportunities to quiz themselves on levels of measurement in a game-like environment much like "Who Wants to be a Millionaire."Wed, 17 Mar 2010 05:54:42 -0400Quote: Russell on Measurement Error
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http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1962"Every careful measurement in science is always given with the probable error... every observer admits that he is likely wrong, and knows about how much wrong he is likely to be." This is a quote by Welsh Mathematician and philosopher Bertrand A.W. Russell (1872 - 1970). The quote may be found in his 1931 book The Scientific Outlook and is also found on the science history website www.todayinsci.comSat, 29 Aug 2009 11:43:00 -0400Quote: Planck on Experiments and Measurement
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http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1956"An experiment is a question which science poses to Nature, and a measurement is the recording of Nature's answer." This is a quote by German Physicist Max Planck (1858 - 1947). The quote (translated into English in the book Scientific Autobiography and Other Papers page 110 (1949)Tue, 11 Aug 2009 10:14:22 -0400Quote: Peter on Measurement
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http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1773"If you can't measure it, I'm not interested." A quote by Canadian educator and management theorist Laurence Johnston Peter (1919 - 1990) from "Peter's People" in Human Behavior (August, 1976; page 9). The quote also appears in Statistically Speaking: A dictionary of quotations compiled by Carl Gaither and Alma Cavazos-Gaither.Fri, 14 Dec 2007 05:34:10 -0500Count the Fs: Why a Sample instead of a Census?
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http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1741This interactive lecture activity motivates the need for sampling. "Why sample, why not just take a census?" Under time pressure, students count the number of times the letter F appears in a paragraph. The activity demonstrates that a census, even when it is easy to take, may not give accurate information. Under the time pressure measurement errors are more frequently made in the census rather than in a small sample. Tue, 22 May 2007 01:25:35 -0400Quote: Reynolds on Bad Variables
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http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1232"... statistics - whatever their mathematical sophistication and elegance - cannot make bad variables into good ones." Quoted from Analysis of Nominal Data by H.T. Reynolds (Sage, 1984) p. 8Fri, 14 Apr 2006 08:58:04 -0400Probability and The F.A. Cup
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http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1129This article illustrates the difficulty in defining an event you are dealing with and that, even if you can define the event properly, you may encounter rough bounds on the probability of that event instead of a precise probability.Tue, 23 Aug 2005 01:09:16 -0400Whelk-Come to Mathematics: Using Rational Functions to Investigate the Behavior of Northwestern Crow
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http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=980This Unit Plan contains 4 lessons in which students will make a conjecture, conduct an experiment, analyze the data, and work to a conclusion using rational functions to investigate the behavior of Northwestern Crows.Mon, 23 May 2005 04:10:39 -0400Do You Hear What I Hear?
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http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=979This activity explores the dynamics of a sound wave produced by a string instrument using simulation. A simplified physical model highlights important scientific and mathematical features. The sound wave is controlled by two parameters: the amount of initial energy put into the string (initial displacement) and the amount of tension in the string. The animation of the string has been slowed down so that model of the wave can be observed clearly. Mon, 23 May 2005 04:05:00 -0400Illuminations: Data Analysis and Probability Lessons
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http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1267This collection of lessons from NCTM's Illuminations site meet the Data Analysis and Probability Standard for grades 9-12.Mon, 23 May 2005 03:28:54 -0400Measurement Process Characterization (Engineering Statistics Handbook)
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http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=524This chapter of the NIST Engineering Statistics handbook describes the measurement process characterization with discussions of control, calibration, gauge studies, and uncertainty analysis, and a set of case studies.Fri, 13 May 2005 04:10:05 -0400Measurement Process Characterization Case Studies (Engineering Statistics Handbook)
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http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=525This part of the NIST Engineering Statistics handbook contains case studies for the measurement process chapter.Fri, 13 May 2005 04:08:44 -0400Manual Part VII: Multiple Regression: Using Categorical Variables in Multiple Regression
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http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=259Describes dummy coding for categorical variables. Addresses types of coding schemes and ANOVA.Thu, 23 Sep 2004 12:12:51 -0400Elementary Concepts in Statistics
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http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=127Gives an overview of variables, classifications, measurements, relations, and other basic statistical concepts. Also contains two animated graphs.Tue, 6 Jul 2004 09:13:56 -0400