'50th percentile' diaporamas de présentation

STATISTICS DESCRIPTIVE

STATISTICS DESCRIPTIVE. GRADUATE PROGRAM INDUSTRIAL ENGINEERING ITATS SURABAYA 2010. 1-1. Using Statistics (Two Categories). Descriptive Statistics Collect Organize Summarize Display Analyze. Inferential Statistics Predict and forecast values of population parameters

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Thomas C ounty Schools

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Central Tendency

Central Tendency. Introduction to Statistics Chapter 3 Sep 1, 2009 Class #3. Central Tendency. A statistical measure to determine a single score that defines the center of the distribution There are many measures of central tendency. The most common are the mean, median, and mode.

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DESCRIPTIVE STATISTICS

DESCRIPTIVE STATISTICS. DESCRIPTIVE STATISTICS. Descriptive statistics are summary measures which define some important characteristics of data. Measures of location Measures of central tendency Measures of position Measures of dispersion (variation). Measure s of Location.

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Box and Whisker Plots

Box and Whisker Plots. C. D. Toliver AP Statistics. Percentile. The percentile of a distribution of a set of data is a value such that p% of the data fall at or below the data value and (100-p%) of the data fall at or above it.

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Monday, October 1

Monday, October 1. Distributions, Percentiles, and Central Tendency. The ogive gives you a good view of the relationship between scores and percentile rank. Household Income by Language Group (Source: 1990 Census of Population and Housing).

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Indiana Growth Model Academic Peers

Indiana Growth Model Academic Peers. 442. 442. 442. 442. 442. 442. 442. 442. 442. 442. 442. 442. 679. 442. 442. 441. X. X. X. 442. 442. 442. 442. 442. 442. 442. 442. 442. 442. 442. 442. 442. Student Growth Percentile. 442. 442. 442. 442. 442. 442. 442. 442.

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Why Fluency?

Why Fluency?. Comprehension is the goal of all reading.

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Percentiles and the Normal Curve

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Policy Research 101 Statistical Basics & How to Read Research Reports

Policy Research 101 Statistical Basics & How to Read Research Reports. Keith Curry Lance Consultant RSL Research Group. Qualitative data Observational notes Interview transcripts Documents, images Video, audio Quantitative data Nominal Ordinal Interval/ratio. Data collection

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Chapter 3.4

Chapter 3.4. Exploratory Data Analysis. Traditional Statistics. Data are organized by using a frequency distribution Use distribution to create various graphs, histogram, frequency polygon, ogive Mean and standard deviation are computer to summarize data

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Tabulating and Depicting Data

Tabulating and Depicting Data. James H. Steiger. Key Concepts for Today. Shape of the distribution of a data set is often important for understanding key aspects of the data-generation process. In this section, we discuss: Several methods for displaying distributions

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Movie Rating Analysis

Danny Dean Webster University Data Mining Foundations, Fall 2009. Movie Rating Analysis. Outline. Data Set Research Description Analysis Technique Results. Data Set. Netflix Prize Data Set 17,000+ Movies 480,000+ Customers 100,000,000+ Ratings . Research Description.

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Questions?? Example: Exercise set B #1 p. 38 Set up table with intervals, frequencies & percent per year Graph appea

Questions?? Example: Exercise set B #1 p. 38 Set up table with intervals, frequencies & percent per year Graph appears on p. 39 Figure 5 For discrete quantitative variables, make a histogram with the value in the middle of the base of the bar. Ch. 4: Average & Standard Deviation.

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Describing ONE Variable

Describing ONE Variable. What is the typical value? Central Tendency Measures Mode Median Mean How Typical is the typical value? Measures of Variation Range InterQuartile Range IQR Variance/Standard Deviation. Central Tendency Measures. What is the typical value? Mode

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Describing ONE Variable

Describing ONE Variable. What is the typical value? Central Tendency Measures Mode Median Mean How Typical is the typical value? Measures of Variation Range InterQuartile Range IQR Variance/Standard Deviation. Central Tendency Measures. What is the typical value? Mode

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Choosing Your Psychotherapist

Choosing Your Psychotherapist. By: Lindsey Berman. Background. Does psychotherapy work? Which type of therapy should I choose? Do some work better than others? Mary Lee Smith and Gene Glass Goals: To identify and collect all studies that tested the effects of counseling and psychotherapy

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UNDER 5 CLINIC

UNDER 5 CLINIC. Dr. Rekha Dutt. symbol of under 5 clinic. Care in illness. Family planning. Preventive care. Growth monitoring. Aims and objectives. Care in illness : it is mothers felt need. 70%-80% of illnesses can be treated with trained nurses.

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Calculate the IQR. What does the IQR represent? What does the median represent?

Average Monthly Spending of Credit Cards. Calculate the IQR. What does the IQR represent? What does the median represent? Is this distribution symmetric, skewed left, or skewed right?. Solutions.

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