'Squared deviations' diaporamas de présentation

China

Number of Workers (millions). The table shows the number of workers , in millions,. 778. 472. 147. 106. 82. China. India. U.S. Indonesia. Brazil. Country. Number of Workers (millions).

1.46k views • 135 slides

Statistics for the Social Sciences

641 views • 57 slides

Overview

Overview. Correlation -Definition -Deviation Score Formula, Z score formula -Hypothesis Test Regression Intercept and Slope Unstandardized Regression Line Standardized Regression Line Hypothesis Tests. Associations among Continuous Variables. 3 characteristics of a relationship.

651 views • 55 slides

Simple linear regression

Simple linear regression. What regression analysis does The simple regression model Hypothesis testing in regression Residual analysis Inverse prediction, replicated regression and weighted regression Regression caveats Power considerations in simple linear regression. D Y. Y.

1.81k views • 49 slides

Chapter 15 (Ch. 13 in 2 nd Can.)

Chapter 15 (Ch. 13 in 2 nd Can.). Association Between Variables Measured at the Interval-Ratio Level: Bivariate Correlation and Regression. Introduction:. Scattergrams / Scatterplots Graphs that display relationships between two interval-ratio variables.

480 views • 36 slides

Measures of Central Tendency

467 views • 32 slides

General Linear Model 2

General Linear Model 2. Intro to ANOVA. Questions. ANOVA makes assumptions about error for significance tests. What are the assumptions? What might happen (why would it be a problem) if the assumption of {normality, equality of error, independence of error} turned out to be false?

278 views • 27 slides

Chapter 3 Numerically Summarizing Data

Chapter 3 Numerically Summarizing Data. 3.2 Measures of Dispersion.

372 views • 26 slides

Chapter 3 Location and Spread

Chapter 3 Location and Spread. Location and Spread Central Tendency Variation Adding and Multiplying a Constant Overall Shape Distribution Empirical Rule. Location and Spread. A data consists of test scores of 33 students.

360 views • 24 slides

Intro to Statistics for the Behavioral Sciences PSYC 1900

Intro to Statistics for the Behavioral Sciences PSYC 1900. Lecture 13: ANOVA and Multiple Comparisons. Analysis of Variance (ANOVA). Use is similar to t-tests, but allows comparisons of more than 2 means. Logic? With more than 2 means, one difference cannot capture predictions.

443 views • 19 slides

Statistics

296 views • 19 slides

Introductory Statistics for Laboratorians dealing with High Throughput Data sets

Introductory Statistics for Laboratorians dealing with High Throughput Data sets. Centers for Disease Control. Problem 7: Dispersion. Prepare 2 line graphs, one for males and one for females using the data presented below. Put both line graphs on the same axes. . Problem 7: Dispersion.

263 views • 19 slides

Descriptive Statistics-IV (Measures of Variation)

612 views • 17 slides

Describing Distributions with Numbers: Center

Describing Distributions with Numbers: Center. The Mean (average). Median. The median is the midpoint of a distribution. Half of the numbers are larger and half of he numbers are smaller. (n + 1)/2. Calculate the mean and median for each data set. 2, 2, 2, 2, 2, 2, 2, 2, 2.

344 views • 16 slides

Chi Square Analysis

235 views • 15 slides

1.63k views • 13 slides

Section 10.3

200 views • 12 slides

Section 3.2

206 views • 12 slides

Measures of Central Tendency

389 views • 10 slides

Chapter 7 discrete and random variables

Chapter 7 discrete and random variables. Random variable- variable whose value is a numbered outcome of a random phenomenon ex: let x= #of heads in 4 flips of a coin outcome: tthh x=2. General rules for probability . 1. The p(a) of any event satisfies 0<=p(a)>=1. 2. Sample space must=1

228 views • 8 slides