'Sample t' presentation slideshows

Statistical Inference for Two Samples

10. Statistical Inference for Two Samples. CHAPTER OUTLINE. 10-1 Inference on the Difference in Means of Two Normal Distributions, Variances Known 10-1.1 Hypothesis tests on the difference of means, variances known 10-1.2 Type II error and choice of sample size

2.18k views • 83 slides

ANOVA and Regression

ANOVA and Regression. Brian Healy, PhD. Objectives. ANOVA Multiple comparisons Introduction to regression Relationship to correlation/t-test. Comments from reviews. Please fill them out because I read them More examples and not just MS

843 views • 66 slides

The One-Sample t -Test

The One-Sample t -Test. Advanced Research Methods in Psychology - lecture - Matthew Rockloff. A brief history of the t-test. Just past the turn of the nineteenth century, a major development in science was fermenting at Guinness Brewery.

885 views • 59 slides

T-Tests and Analysis of Variance

733 views • 58 slides

Classical (frequentist) inference

Classical (frequentist) inference. Klaas Enno Stephan Laboratory for Social and Neural System Research Institute for Empirical Research in Economics University of Zurich Functional Imaging Laboratory (FIL) Wellcome Trust Centre for Neuroimaging University College London.

543 views • 43 slides

Benchmarking and Performance Evaluations

486 views • 40 slides

Statistical Inference

Statistical Inference. Guillaume Flandin Wellcome Trust Centre for Neuroimaging University College London. SPM Course Zurich, February 2013. Image time-series. Statistical Parametric Map. Design matrix. Spatial filter. Realignment. Smoothing. General Linear Model.

453 views • 34 slides

Group Analyses

Group Analyses. Guillaume Flandin Wellcome Trust Centre for Neuroimaging University College London. With many thanks to W. Penny, S. Kiebel , T . Nichols, R. Henson, J.-B. Poline , F. Kherif. SPM Course Zurich, February 2014. Image time-series. Statistical Parametric Map.

403 views • 33 slides

Jiaping Wang, Ph.D Department of Mathematical Science University of North Texas at Denton

Adaptive Weighted Deconvolution Model to Estimate the Cerebral Blood Flow Function in Dynamic Susceptibility Contrast MRI. Jiaping Wang, Ph.D Department of Mathematical Science University of North Texas at Denton Joint work with Drs. Hongtu Zhu and Hongyu An f rom UNC-CH. Outline.

483 views • 32 slides

CHI SQUARE TESTS

CHI SQUARE TESTS. Parametric and Nonparametric Tests. This lesson introduces two non-parametric hypothesis tests using the chi-square statistic: the chi-square test for goodness of fit and the chi-square test for independence. . Parametric and Nonparametric Tests (cont.).

714 views • 32 slides

Wendee M. Wechsberg July 22, 2012

Strategies and Barriers to Scaling Up a Women's Empowerment Intervention in South Africa: Addressing Drugs, Sex and Victimization. Wendee M. Wechsberg July 22, 2012. Over 10 years of Intervention Studies with Women in South Africa. Thank you NIDA, NIAAA, NICHD RTI Staff MRC Staff Sizanang

387 views • 28 slides

Chapter 10: Comparing Two Populations or Groups

Chapter 10: Comparing Two Populations or Groups. Section 10.2 Comparing Two Means. Introduction In the previous section, we developed methods for comparing two proportions. What if we want to compare the mean of some quantitative variable for the individuals in Population 1 and Population 2?.

605 views • 26 slides

Tic-Tac-Tolerance

Tic-Tac-Tolerance. Steve and Torsten. Introduction. We decided to play Tic-Tac-Toe with subjects in order to test mean number of games played We are looking to see just how competitive people can be when it comes to a simple game like Tic-Tac-Toe. Summary of Topic and Data Collection.

378 views • 24 slides

Significance Tests in practice

338 views • 21 slides

Comparing 2 population parameters

Comparing 2 population parameters. Chapter 13. Introduction: Two Sample problems.

363 views • 20 slides

Customer Satisfaction

Customer Satisfaction. Jenn , Michelle, and Sovay. Staples, Target, and Shoprite. All are corporate chain stores that hire teenagers as cashiers. Staples sells office supplies and technology needs, Shoprite sells groceries, and Target sells pretty much everything.

403 views • 18 slides

T-Tests for Comparing Two Means

T-Tests for Comparing Two Means. Presentation 8.6. Notation Reminder for Comparing Two Means. Assumptions and Degrees of Freedom. The assumptions for the significance test are the same as they were for the confidence interval. These must be explicitly addressed!

331 views • 18 slides

Module 27 : Two Sample t-tests With Unequal Variances

Module 27 : Two Sample t-tests With Unequal Variances. This module shows how to test the hypothesis that two population means are equal when there is evidence that the requirement that the two populations have the same variance is not met. REVIEWED 19 July 05 /MODULE 27. The General Situation.

574 views • 15 slides

One Sample T-tests

One Sample T-tests. One sample t-tests are used in the following two situations The size of a sample is less than 25 The population standard deviation is unknown The formula for a one sample test uses the estimated population standard deviation to calculate the standard error .

993 views • 5 slides

Calculate t-statistic

Calculate t-statistic. 19.16

296 views • 2 slides