'Interquartile range' diaporamas de présentation

Statistics for Non-Statisticians

Statistics for Non-Statisticians. Kay M. Larholt, Sc.D. Vice President, Biometrics & Clinical Operations Abt Bio-Pharma Solutions. Topics. Basic Statistical Concepts 2) Study Design 3) Blinding and Randomization 4) Hypothesis testing 5) Power and Sample Size. Basic Statistical Concepts.

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Review for Final Exam

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Chapter 3

Chapter 3. Numerical Methods for Describing Data Distributions. Created by Kathy Fritz. Suppose that you have just received your score on an exam in one of your classes. What would you want to know about the distribution of scores for this exam? Measures of center Measures of spread.

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Descriptive Statistics: Overview

Measures of Spread. Measures of Center. Range Inter-quartile Range Variance Standard deviation. Mode Median Mean. *. *. *. Measures of Symmetry. Measures of Position. Skewness. Percentile Deviation Score Z-score. *. *. Descriptive Statistics: Overview. Central tendency.

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Review of Previous Lecture

Review of Previous Lecture. Range The difference between the largest and smallest values Interquartile range The difference between the 25th and 75th percentiles Variance The sum of squares divided by the population size or the sample size minus one Standard deviation

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Quality control of daily data on example of Central European series of air temperature, relative humidity and precipitat

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Analyzing Survey Data

Analyzing Survey Data. Angelina Hill, Associate Director of Academic Assessment 2009 Academic Assessment Workshop May 14 th & 15 th UNLV. Prior to Analysis. What would you like to discover? Perceived competence Preferences, satisfaction Group differences Demographics

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Business Research Methods William G. Zikmund

Business Research Methods William G. Zikmund. Chapter 20: Basic Data Analysis: Descriptive Statistics . Descriptive Analysis.

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Goals

Chapter Four. Goals. Describing Data: Displaying and Exploring Data. GOALS When you have completed this chapter, you will be able to:. ONE Develop and interpret a dot plot. TWO Develop and interpret a stem-and-leaf display. THREE Compute and interpret quartiles, deciles, and percentiles.

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Introduction to ocean color satellite calibration

Introduction to ocean color satellite calibration. NASA Ocean Biology Processing Group Goddard Space Flight Center, Greenbelt, Maryland, USA SeaDAS Training Material. Ocean color calibration. scope of the calibration paradigm:

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Introduction to ocean color satellite calibration

Introduction to ocean color satellite calibration. NASA Ocean Biology Processing Group Goddard Space Flight Center, Greenbelt, Maryland, USA SeaDAS Training Material. Ocean color calibration. scope of the calibration paradigm:

478 views • 25 slides

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GCRC Research-Skills Workshop. October 10, 2003. How to use the PS sample size software for advanced applications. ****************. William D. Dupont Department of Biostatistics. ****************. Follow-up time. Fate at exit. Statistic: Log-rank test.

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Measures of Variation

The standard deviation is just the square root of the variance. Measures of Variation. As well as the Central Tendency of the data in a population or sample a second important characteristic of the data is it variability about some center. . Measures of Variation include: The range

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Paying for Pharmaceutical Regulation

Paying for Pharmaceutical Regulation. Warren Kaplan Richard Laing Boston University School of Public Health. http://heapol.oupjournals.org/cgi/reprint/18/3/237.pdf. ABSTRACT. We analysed DRA new drug registration fees for 34 countries

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Descriptive Statistics

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Section 1.2 Part 1

Section 1.2 Part 1. AP Statistics September 9, 2008 CASA. Describing Distributions with Numbers: Center/Mean. The Mean The Average The Arithmetical Mean The mean is not a resistance measure of center. Describing Distributions with Numbers: Center/Median.

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Physical Counterpressure Maneuver (PC) Trial

Physical Counterpressure Maneuver (PC) Trial. Presented at The American College of Cardiology Scientific Session 2006 Presented by Dr. N. van Dijk. PC-Trial: Background.

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Collaborative Atorvastatin Diabetes Study (CARDS)

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For what values do class A's distribution and class B's distribution overlap?

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Cumulative frequency

Example The frequency table shows the examination marks of 80 students. . Cumulative frequency. Draw a cumulative frequency table and cumulative frequency curve to represent this data. Find the median and interquartile range for this data. . Example

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