'Population values' diaporamas de présentation

Some further problems with regression models

1.19k views • 84 slides

Describing Data: Numerical Measures

Describing Data: Numerical Measures. Chapter 3. Modified by Boris Velikson, 2009. GOALS. Calculate the arithmetic mean, weighted mean, median, and mode. Explain the characteristics, uses, advantages, and disadvantages of each measure of location.

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Chapter 3: Central Tendency

Chapter 3: Central Tendency. Central Tendency. In general terms, central tendency is a statistical measure that determines a single value that accurately describes the center of the distribution and represents the entire distribution of scores.

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Texas and Waco: Demographic Characteristics and Trends

Texas and Waco: Demographic Characteristics and Trends. Waco Business League April 10, 2012 Waco, TX. Growing States, 2000-2010. 15.7% of numerical change in U.S. . Note: Population values are decennial census counts for April 1, 2000 and April 1, 2010.

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Basic Statistics

Basic Statistics. Measures of Central Tendency. Characteristics of Distributions. Location or Center Can be indexed by using a measure of central tendency Variability or Spread Can be indexed by using a measure of variability. Consider the following distribution of scores:.

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Topic-3

Topic-3. Describing Data: Measures of Central Tendency. Average: A Measure of Central Tendency. Average : A single numerical characteristic that represents a specific feature of a set of data - the center of the values.

840 views • 36 slides

Describing Data: Numerical Measures

Describing Data: Numerical Measures. Chapter 3. GOALS. Calculate the arithmetic mean, weighted mean, median, mode, and geometric mean. Explain the characteristics, uses, advantages, and disadvantages of each measure of location.

366 views • 36 slides

Describing Data: Numerical Measures

Describing Data: Numerical Measures. Chapter 3. GOALS. Calculate the arithmetic mean, weighted mean, median, mode, and geometric mean. Explain the characteristics, uses, advantages, and disadvantages of each measure of location.

362 views • 36 slides

Describing Data: Numerical Measures

Describing Data: Numerical Measures. Chapter 3. GOALS. Calculate the arithmetic mean, weighted mean, median, mode, and geometric mean. Explain the characteristics, uses, advantages, and disadvantages of each measure of location.

356 views • 34 slides

LESSON 3: CENTRAL TENDENCY

LESSON 3: CENTRAL TENDENCY. Outline Arithmetic mean, median and mode Ungrouped data Grouped data Percentiles, fractiles, and quartiles Ungrouped data Grouped data. MEASURES OF CENTRAL LOCATION MEAN. Mean is defined as follows: Sum of the measurements Mean =

389 views • 34 slides

Texas & San Antonio: Characteristics and Trends of the Hispanic Population

Texas & San Antonio: Characteristics and Trends of the Hispanic Population. KVDA Telemundo November 10, 2011 San Antonio, TX. Growing States, 2000-2010. 15.7% of numerical change in U.S. . Note: Population values are decennial census counts for April 1, 2000 and April 1, 2010.

548 views • 32 slides

Sampling Distributions & Point Estimation

Sampling Distributions & Point Estimation. Questions. What is a sampling distribution? What is the standard error? What is the principle of maximum likelihood? What is bias (in the statistical sense)? What is a confidence interval? What is the central limit theorem?

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Monday, November 11 Statistical Power

Monday, November 11 Statistical Power. Monday, November 12 Statistical Power It teaches you about the importance of effect size, ? (gamma). Monday, November 12 Statistical Power It teaches you about the importance of effect size, ? (gamma).

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Normal Probability Distributions

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Introduction to Basic Statistical Methods Part 1: Statistics in a Nutshell UWHC Scholarly Forum

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Regression Basics

Regression Basics. Predicting a DV with a Single IV. What are predictors and criteria? Write an equation for the linear regression. Describe each term. How do changes in the slope and intercept affect (move) the regression line?

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Bridge to inference

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Some further problems with regression models

331 views • 15 slides

Describing Data: Numerical Measures

Describing Data: Numerical Measures. Chapter 3. GOALS. Calculate the arithmetic mean, weighted mean, median, mode, and geometric mean . Explain the characteristics, uses, advantages, and disadvantages of each measure of location .

154 views • 15 slides

The two-sample t -test

The two-sample t -test. Expanding t to two groups. t-tests used for population mean diffs. With 1-sample t , we have a single sample and a population value in mind With 2-sample t , we have two groups. Experimental vs. Control Drug vs. placebo Psychotherapy, wait list

451 views • 13 slides