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
Presentation Summary : The t-test Inferences about Population Means Questions How are the distributions of z and t related? Given that construct a rejection region.
Source : http://luna.cas.usf.edu/%7Embrannic/files/regression/7%20The%20t-test.ppt
Presentation Summary : t-test Testing Inferences about Population Means Learning Objectives Compute by hand and interpret Single sample t Independent samples t Dependent samples t Use SPSS ...
Source : http://luna.cas.usf.edu/%7Embrannic/files/resmeth/labs/lab5_ttest.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
Presentation Summary : Independent Samples T-Test Practice Problem 1a This question asks whether the statement “Survey respondents who were male had completed more years of school than ...
Source : http://www.utexas.edu/courses/schwab/sw318_spring_2004/SolvingProblems/Class22_TwoSamplesTTest.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 ...
Source : http://www.unt.edu/rss/class/mike/5700/ttestMechanics.ppt
Presentation Summary : Chapter 9 Hypothesis Testing Using the Two Sample t-test Related Samples Two-sample t-test Independent vs. Related Samples If we have two samples and we want to know ...
Source : http://faculty.txwes.edu/jbrown06/course9/documents/9-2Relatedt-tests.ppt
Presentation Summary : Independent Samples t-Test (or 2-Sample t-Test) Advanced Research Methods in Psychology - lecture - Matthew Rockloff When to use the independent samples t-test The ...
Source : http://psychologyaustralia.homestead.com/index_files/04a_Independent_Sample_t-Test.ppt
Presentation Summary : The t Test for Dependent Samples You do a t test for dependent samples the same way you do a t test for a single sample, except that: You use difference scores.
Source : http://www.unm.edu/~marley/statppt/fall06/002/day12.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
Presentation Summary : Pooled Variance t Test Tests means of 2 independent populations having equal variances Parametric test procedure Assumptions Both populations are normally distributed
Source : http://www.be.wvu.edu/divmim/mgmt/glblakely/homepage/BADM621/StatSlides5.ppt
Presentation Summary : One-sample T-Test of a Population Mean Key Points about Statistical Test Sample Homework Problem Solving the Problem with SPSS Logic for One-sample T-Test of
Source : http://www.utexas.edu/courses/schwab/sw388r6_fall_2006/SolvingProblems/Homework%20Problems%20-%20One-sample%20T-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
Source : http://psychologyaustralia.homestead.com/index_files/07b_Paired_t-Test.ppt
Presentation Summary : The one sample t-test November 14, 2006 From Z to t… In a Z test, you compare your sample to a known population, with a known mean and standard deviation.
Source : http://www.unm.edu/~marley/statppt/fall06/002/day11.ppt
Presentation Summary : Chapter 8 Hypothesis Testing Using the One-sample t-test A Step Back Assumptions of the one-sample z-test All hypothesis testing procedures are going to require that ...
Source : http://faculty.txwes.edu/jbrown06/course9/documents/8Single-samplet-test.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
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 ...
Source : http://utminers.utep.edu/mtcortez/downloads/Stats/t-test%20edrs%205305%20presentation.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
Presentation Summary : Title: Two sample t-test Author: bhealy Last modified by: bhealy Created Date: 4/24/2006 5:23:51 PM Document presentation format: On-screen Show Company
Source : http://hedwig.mgh.harvard.edu/biostatistics/sites/default/files/public/bhealy_tutorials/lecture9twosamplettest.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
Presentation Summary : 1-Sample t-test Mon, Apr 5th T-test purpose Z test requires that you know from pop Use a t-test when you don’t know the population standard deviation.
Source : http://psychology.illinoisstate.edu/ktschne/psy138/Onesamp_t.ppt
Presentation Summary : t-Test t-Test Two groups of random samples from sample population prior to experiment: group 1 = group 2 any differences can be attributed to: sampling error ...
Source : http://iris.nyit.edu/~pdouris/ResearchI/G-T-Test-10.ppt
Presentation Summary : We will therefore read the t-test information for an equal variance independent t-test. The most important piece of information is the two-tailed p-value.
Source : http://www.gifted.uconn.edu/siegle/research/t-test/ReadingT-testwithExcel.pps