'Larger samples' diaporamas de présentation

How do we use confidence intervals & significance tests to make inferences from a random sample about a population m

How do we use confidence intervals & significance tests to make inferences from a random sample about a population mean? How do we use confidence intervals & significance tests to compare the means of two populations?.

955 views • 75 slides

Evaluating Psychological Interventions Empirically Supported Treatments Needles and Shots Example Cognitive-Behavioral

Evaluating Psychological Interventions Empirically Supported Treatments Needles and Shots Example Cognitive-Behavioral Therapy. Gregg Selke, Ph.D. PSY 4930 October 31 st , 2006. Should we evaluate the effectiveness of psychological interventions?. Criticisms

1.31k views • 67 slides

Chapter 4

Chapter 4. Probability and Sampling Distributions. Random Variable. Definition: A random variable is a variable whose value is a numerical outcome of a random phenomenon. The statistic calculated from a randomly chosen sample is an example of a random variable.

763 views • 58 slides

715 views • 50 slides

Comparing Two Proportions ( p 1 vs. p 2 )

618 views • 49 slides

The standard error of the sample mean and confidence intervals

The standard error of the sample mean and confidence intervals. How far is the average sample mean from the population mean? In what interval around mu can we expect to find 95% or 99% or sample means. An introduction to random samples.

785 views • 43 slides

Chapter 18 -- Part 1

Chapter 18 -- Part 1. Sampling Distribution Models for. Sampling Distribution Models. Population Parameter?. Population. Inference. Sample Statistic. Sample. Objectives. Describe the sampling distribution of a sample proportion

509 views • 40 slides

Chapter 6

Chapter 6. Introduction to Inference. Motivational Scenario. A market research agency has been given the task to estimate the average number of hours per week that young adults spend surfing the web.

595 views • 36 slides

Allan Rossman Beth Chance

Allan Rossman Beth Chance. Overview. What do want students to know and do at the end of the course Our dream content Top ten essentials No client disciplines ? What would we cut to have time to get there Assumptions about current content in many courses Reality vs. fantasy

504 views • 35 slides

One Sample and Two Sample T-tests

One Sample and Two Sample T-tests. Introduce t test Hypothesis testing using a t test Paired t test Independent samples t test. Recap. Single score compared to a known distribution Sample mean compared to a known sampling distribution (central limit theorem).

1.21k views • 33 slides

964 views • 32 slides

Statistical Analysis of Output from Terminating Simulations

607 views • 31 slides

Rapid Actinide Analysis for Large Soil Samples

Rapid Actinide Analysis for Large Soil Samples. Sherrod L. Maxwell, III Westinghouse Savannah River Company. Background. Need for improved analysis of large soil samples for actinides large sample size - lower detection limits total dissolution-refractory actinides

641 views • 28 slides

An evidence-based substance abuse preventive intervention for youth with psychiatric disorders: Initial results

An evidence-based substance abuse preventive intervention for youth with psychiatric disorders: Initial results. J. Randy Koch, Ph.D. American Public Health Association Philadelphia, PA November 11, 2009. Presenter Disclosures. J. Randy Koch. No Relationships to Disclose.

387 views • 28 slides

BOX PLOTS- HUMAN AND OTHERWISE

BOX PLOTS- HUMAN AND OTHERWISE. Jeanina Ice Diana Munza. Human Box Plot. Best done outside or in a gym or hallway. Place index cards or mark the floor at 1-foot intervals with the numbers 56 to 75 to represent the heights of the students in inches. .

374 views • 24 slides

Chapter 8

Chapter 8. Cumulative Sum and Exponentially Weighted Moving Average Control Charts. Introduction . Chapters 4 through 6 focused on Shewhart control charts. Major disadvantage of Shewhart control charts is that it only uses the information about the process contained in the last plotted point.

928 views • 23 slides

Attitudes toward American brands and Brand America in three Pacific Rim countries

Attitudes toward American brands and Brand America in three Pacific Rim countries. Fullerton, J.A., Kendrick, A., Chan, K., Hamilton, M., and Kerr, G. American Academy of Advertising Asia Pacific Conference May 2007. Jami Fullerton, Oklahoma State University.

543 views • 19 slides

Developing a tool for using Dental Cementum to explore seasonality of the Early-Middle Epipalaeolithic Azraq Basin, Jord

Developing a tool for using Dental Cementum to explore seasonality of the Early-Middle Epipalaeolithic Azraq Basin, Jordan. . Jennifer Jones: jonesjr11@cardiff.ac.uk Postgraduate Zooarchaeology Forum (PZAF) 14 th November 2009 Cardiff University. Epipalaeolithic in the Azraq Basin.

436 views • 17 slides

WHY LARGE-SCALE RANDOMIZED CONTROL TRIALS?

WHY LARGE-SCALE RANDOMIZED CONTROL TRIALS?. David Myers Senior Vice President IES 2006 Research Conference. Presentation Road Map. Characteristics Benefits relative to small-scale RCTs Implementation and design challenges. Characteristics . Random assignment of schools/classrooms:

307 views • 15 slides

Terminating Statistical Analysis

390 views • 14 slides