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Independent Samples t-Test (or 2-Sample t-Test) PPT

Presentation Summary : Title: Independent Samples t-Test (or 2-Sample t-Test) Author: Jillian Litster Last modified by: Matthew J Rockloff Created Date: 1/7/2005 6:39:50 AM

The t-test - University of South Florida PPT

Presentation Summary : The t-test Inferences about Population Means Questions What is the main use of the t-test? How is the distribution of t related to the unit normal?

Source : http://faculty.cas.usf.edu/mbrannick/regression/8%20The%20t-test.ppt

t-Test - The University of Texas at Arlington - UT Arlington ... PPT

Presentation Summary : t-Test Comparing Means From Two Sets of Data Steps For Comparing Groups Assumptions of t-Test Dependent variables are interval or ratio. The population from which ...

Source : http://www.uta.edu/faculty/ricard/stats/Lectures/Chapter%208/Chapter%208%20t-Test.ppt

Paired T - Test .ppt - Home | The University of Texas at Austin PPT

Presentation Summary : SOLVING THE PROBLEM The two-sample t-test compare the means for two groups on a single variable. the The paired t-test compares the means for two variables for a ...

Source : http://www.utexas.edu/courses/schwab/sw388r6_fall_2007/powerpoint/Paired%20T-Test.ppt

T-Tests in SAS - Biostatistics - School of Public Health ... PPT

Presentation Summary : T-Tests in SAS One-sample T-Test Matched Pairs T-Test Two-sample T-Test Introduction Suppose you want to answer the following questions: Does a new headache medicine ...

Source : http://www.biostat.umn.edu/~susant/Lab6415/Lab3.ppt

PowerPoint Presentation PPT

Presentation Summary : An independent t-test compares the averages of two samples that are selected independently of each other (the subjects in the two groups are not the same people).

The Paired t-Test (A.K.A. Dependent Samples t-Test, or t-Test ... PPT

Presentation Summary : The Paired t-Test (A.K.A. Dependent Samples t-Test, or t-Test for Correlated Groups) Advanced Research Methods in Psychology - lecture – Matthew Rockloff

t-test - UNT | University of North Texas PPT

Presentation Summary : t-test Mechanics Z-score If we know the population mean and standard deviation, for any value of X we can compute a z-score Z-score tells us how far above or below ...

T-Test (difference of means test) - California State ... PPT

Presentation Summary : T-Test (difference of means test) T-Test = used to compare means between two groups. Level of measurement: DV (Interval/Ratio) IV (Nominal—groups)

Source : http://www.csub.edu/~pjennings/stat.400/ttest.ppt

Paired Samples T - Test .ppt - Home | The University of Texas ... PPT

Presentation Summary : Paired-Samples T-Test of Population Mean Differences Key Points about Statistical Test Sample Homework Problem Solving the Problem with SPSS Logic for Paired-Samples ...

Source : http://www.utexas.edu/courses/schwab/sw388r6_fall_2006/SolvingProblems/Homework%20Problems%20-%20Paired%20Samples%20T-Test.ppt

T-test - University of Texas at El Paso PPT

Presentation Summary : EDRS Educational Research & Statistics Most common and popular statistical test when comparing TWO sample means. T-tests, though used often with means, can be used on ...

Z-Tests, T-Tests, Correlations - University of Texas at El Paso PPT

Presentation Summary : T-Tests and Chi2 Does your sample data reflect the population from which it is drawn from? Single Group Z and T-Tests The basic goal of these simple tests is to show ...

Source : http://utminers.utep.edu/crboehmer/T-Tests%20&%20Chi2.ppt

F + T tests - Wellcome Trust Centre for Neuroimaging PPT

Presentation Summary : t- and F-tests Testing hypotheses Overview Distribution& Probability Standardised normal distribution t-test F-Test (ANOVA) Starting Point Central aim of statistical ...

Source : http://www.fil.ion.ucl.ac.uk/spm/doc/mfd/2005/Ft-tests.ppt

Chapter 10: The t Test For Two Independent Samples PPT

Presentation Summary : Chapter 10: The t Test For Two Independent Samples Independent-Measures Designs The independent-measures hypothesis test allows researchers to evaluate the mean ...

Source : http://home.ubalt.edu/tmitch/631/PowerPoint_Lectures/chapter10/chapter10.ppt

Objectives - UNT | University of North Texas PPT

Presentation Summary : 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 ...

Dependent t-Test - Southeast Missouri State University PPT

Presentation Summary : Dependent t-Test CJ 526 Statistical Analysis in Criminal Justice Overview Dependent Samples Repeated-Measures When to Use a Dependent t-Test Two Dependent Samples ...

Source : http://cstl-hhs.semo.edu/cveneziano/Dependent-t-Test.ppt

PowerPoint Presentation PPT

Presentation Summary : Overview Two paired samples: Within-Subject Designs-Hypothesis test-Confidence Interval-Effect Size Two independent samples: Between-Subject Designs

Source : http://www.columbia.edu/cu/psychology/courses/S1610q/lectures/08TwoSampleTests.ppt

T-Tests For Dummies - Nova Scotia Department of Education PPT

Presentation Summary : T-Tests For Dummies As in the books, not you personally! From Yesterday’s Notes Note that the numerator of the formula for t is the difference between the means.

Source : http://hrsbstaff.ednet.ns.ca/mcintyr/Copy%20of%20t-tests%20for%20dummies.ppt

Pooled Variance t Test - WVU College of Business and Economics PPT

Presentation Summary : Pooled Variance t Test Tests means of 2 independent populations having equal variances Parametric test procedure Assumptions Both populations are normally distributed

The t-test for two independent samples - LIU Home PPT

Presentation Summary : The t-test for two independent samples Chapter 10 A new kind of t-test With the one-sample t-test, you needed some kind of meaningful comparison value What if you don ...

Source : http://myweb.liu.edu/%7Enfrye/psy53/ch10.ppt

Independent t-Test - Southeast Missouri State University PPT

Presentation Summary : Independent t-Test CJ 526 Statistical Analysis in Criminal Justice Overview Most experimental research involves two or more groups When to Use an Independent t-Test ...

Source : http://cstl-hhs.semo.edu/cveneziano/Independent-t-Test.ppt

The T-test - MIT Media Lab PPT

Presentation Summary : Now What Last class introduced statistical concepts. How do we actually implement these ideas and get some results?? Goal: introduce you to what’s out there, things ...

Source : http://web.media.mit.edu/~coryk/ExpDesign/Class3.ppt

Hypothesis Testing with t Tests - University of Michigan PPT

Presentation Summary : Reporting Results in APA Format. Write the symbol for the test statistic (e.g., z or t) Write the degrees of freedom in parentheses. Write an equal sign and then the ...

Source : http://www-personal.umd.umich.edu/~acfoos/Courses/381/Hypothesis%20Testing%20with%20t%20Tests.pptx

The t Tests - UNM - New Mexico's Flagship University | The ... PPT

Presentation Summary : The t Tests Independent Samples The t Test for Independent Samples Observations in each sample are independent (not from the same population) each other.

Source : http://www.unm.edu/~marley/statppt/fall06/002/day12.ppt