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 : 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).
Source : http://www.gifted.uconn.edu/siegle/research/t-test/ttest.pps
Presentation Summary : The t-test Introduction to Using Statistics for Hypothesis Testing Overview of the t-test The t-test is used to help make decisions about population values.
Source : http://luna.cas.usf.edu/%7Embrannic/files/resmeth/lecture/7_ttest.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-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 : 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 : t . Test) Example: I decide to ask 6 people how often they floss their teeth and record their average = 2 (times per week) ... so our hypothesis test is .
Source : http://www-personal.umd.umich.edu/~acfoos/Courses/381/Hypothesis%20Testing%20with%20t%20Tests.pptx
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 : 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
Presentation Summary : Are our results reliable enough to support a conclusion? Are our results reliable enough to support a conclusion? Imagine we chose two children at random from two ...
Source : http://www.jkirkbrown.com/ppt/T-test.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 : 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
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 : 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
Source : http://psychologyaustralia.homestead.com/index_files/04a_Independent_Sample_t-Test.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 : 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 : ... we’ll again compute a t statistic and look it up in the t table. T-Test for Independent Samples General t formula t = sample statistic ...
Source : http://www.columbia.edu/cu/psychology/courses/S1610q/lectures/08TwoSampleTests.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 : Student’s t test This test was invented by a statistician working for the brewer Guinness. He was called WS Gosset (1867-1937), but preferred to keep anonymous so ...
Source : http://www.ksums.net/files/Archive/3rd/425/Biostatistics/424%20lectures%20(almost%20the%20same)/8%20Student%92s%20t%20test.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 : 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
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 : 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