'T test' diaporamas de présentation

Fundamentals of Computer Design

Fundamentals of Computer Design. Rapid Pace of Development. IBM 7094 released in 1965 Featured interrupts Could add floating point numbers at 350,000 instructions per second Standard 32K of core memory in 36 bit words Occupied an entire air conditioned room

699 views • 53 slides

Medical Biometry I

Medical Biometry I. ( Biostatistics 511) Week 10 Discussion Section Phillip Keung. Outline. Review: 2 sample tests Statistical power Sample size calculations Hypothesis testing Non-parametric hypothesis tests. The Story So Far. Two sample tests.

618 views • 46 slides

Chapter 11

Chapter 11. Two-Sample Tests of Hypothesis. Goals. Conduct a test of hypothesis about the difference between two independent population means when both samples have population standard deviation that are known (z)

1.33k views • 45 slides

429 views • 34 slides

Week 9 October 27-31

Week 9 October 27-31. Four Mini-Lectures QMM 510 Fall 2014 . Chapter Contents 10.1 Two-Sample Tests 10.2 Comparing Two Means: Independent Samples 10.3 Confidence Interval for the Difference of Two Means, ? 1 ? ? 2 10.4 Comparing Two Means: Paired Samples

461 views • 33 slides

Make Quality #1

421 views • 30 slides

Statistical analysis methods

Hugh Morgan. Statistical analysis methods. Introduction. Role of statistics Current Methods EuroPhenome Numerical Parameters Categorical Parameters MGP Problems with these methods and alternatives Worked Example. Tasks. Role of statistics.

482 views • 30 slides

CHAPTER 6 Statistical Inference & Hypothesis Testing

CHAPTER 6 Statistical Inference & Hypothesis Testing . 6.1 - One Sample Mean ? , Variance ? 2 , Proportion ? 6.2 - Two Samples Means, Variances, Proportions ? 1 vs. ? 2 ? 1 2 vs. ? 2 2 ? 1 vs. ? 2 6.3 - Multiple Samples Means, Variances, Proportions

516 views • 29 slides

Introduction to SPSS 16.0

Introduction to SPSS 16.0. Kevin Schoepp. Outline. Review of Concepts (stats and scales) Data entry (the workspace and labels) By hand Import Excel Running an analysis- frequency, central tendency, correlation . Types of Variables.

554 views • 25 slides

Multiple Regression Models

Multiple Regression Models. The Multiple Regression Model. The relationship between one dependent & two or more independent variables is a linear function. Population Y-intercept. Population slopes. Random Error. Dependent (Response) variable for sample.

365 views • 25 slides

Proposal writing

Proposal writing. By Dr. Hamda Qotba, B.Med.Sc, M.D, ABCM. What are the main components?. Title Introduction Rationale Aim Objectives Methodology Results Discussion Recommendations. Stages of research process. Selecting a problem Formulate hypothesis Reviewing the literature

464 views • 20 slides

283 views • 19 slides

What did you write down & WHY?

298 views • 18 slides

Utilization of yield management in restaurants

Utilization of yield management in restaurants. Done By Nart Abaza. Abstract.

389 views • 17 slides

Class Handout #4 (Chapter 1)

Class Handout #4 (Chapter 1). Definitions. Bivariate (Two-Variable) Statistical Inference.

267 views • 17 slides

SOC 3811 Basic Social Statistics

SOC 3811 Basic Social Statistics. Reminder. Hand in your Assignment 4. Class overview Compare means of two groups. Dummy variable regression model Two sample t-test Group exercise. Dummy Regression Model. Do men and women have different wages? H o : = 0 H a : ? 0

447 views • 16 slides

161 views • 9 slides

163 views • 7 slides

Do you know population SD?

Do you know population SD?. Yes. No. Use Z Test. Are there only 2 groups to Compare?. Yes - Only 2. No - More than 2. No - More than 2 Groups. Yes - Only 2 Groups. Use ANOVA. Do you have Independent data?. If F not Significant, Retain Null. If F is Significant,

186 views • 4 slides

SurveyMan

SurveyMan. Overall Project: automated design and management of online surveys using programming languages and systems concepts. Target Audience: Academic researchers, particularly in the Social Sciences.

132 views • 3 slides