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Displaying z test PowerPoint Presentations



8.4 Testing the Difference Between Proportion - A Teachers' Page PPT

Presentation Summary : 8.4 Testing the Difference Between Proportions Statistics Mrs. Spitz Spring 2009 Objectives/Assignment How to perform a z-test for the difference between two ...

Source : http://www.dgelman.com/powerpoints/statistics/spitz/8.4%20Testing%20theDifference%20Between%20Proportions.ppt

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

PowerPoint Presentation PPT

Presentation Summary : One Sample t-test Hypothesis Testing: Unknown Parameters Requires t-test Comparison of One Sample Mean to a Specific Value Outline Differences between t and z Unknown ...

Source : https://pantherfile.uwm.edu/ag/www/teach_pdf/lecturenotes/stats/09%20One%20Sample%20t-test.ppt

Comparing Two Proportions (p1 vs. p2) - Winona State University PPT

Presentation Summary : Comparing Two Proportions (p1 vs. p2) Inferential Methods Large independent samples 1. z-test for comparing p1 vs. p2 2. CI for (p1 – p2) 3.

Source : http://elearning.winona.edu/projects/N701/Powerpoints/ComparingTwoProportions.ppt

Fundamentals of Research Project Planning: Hypotheses ... PPT

Presentation Summary : Comparing Population Parameters (Z-test, t-tests and Chi-Square test) Dr. M. H. Rahbar Professor of Biostatistics Department of Epidemiology Director, Data ...

Source : http://www.pitt.edu/~super7/19011-20001/19031.ppt

Hypothesis Testing with z tests - University of Michigan PPT

Presentation Summary : The z Test: An Example. ... so our hypothesis test is . two-tailed. THIS z Table lists the percentage under the normal curve, between the mean (center of distribution

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

Social Science Reasoning Using Statistics PPT

Presentation Summary : Statistics for the Social Sciences Psychology 340 Spring 2010 Hypothesis testing * * * * * “Generic” statistical test An example: One sample z-test Memory example ...

Source : http://psychology.illinoisstate.edu/jccutti/psych340/lectures/7.hypothesistesting.10.ppt

Introduction to Categorical Data Analysis PPT

Presentation Summary : Outline Inference for proportions for a categorical response variable that has two categories asymptotic inference: CI and z-test Exact inference: CI and Binomial test

Source : http://personal.health.usf.edu/ywu/lecture1.ppt

Statistics - Groch Biology PPT

Presentation Summary : The “z” test -used if your population samples are greater than 30 Also used for normally ... Statistics are used to describe sample populations as estimators ...

Source : http://www.grochbiology.org/Statistics.ppt

Overview of Hypothesis Testing - Medical and Healthcare Web ... PPT

Presentation Summary : Overview of Hypothesis Testing Laura Lee Johnson, Ph.D. Statistician National Center for Complementary and Alternative Medicine johnslau@mail.nih.gov

Source : http://nihtraining.com/cc/ippcr/current/downloads/LLJ110705.ppt

Hypothesis testing, One sample tests PPT

Presentation Summary : Hypothesis testing Draw inferences about a population based ... referred to as significance level -0.05 is common -If Z (test statistic) is larger than ...

Source : http://www.eeescience.utoledo.edu/Faculty/Mayer/Biostats%20ppt%2006/hypothesis%20testing%20lecture.ppt

Nominal Data - University of Dayton PPT

Presentation Summary : Nominal Data Greg C Elvers Parametric Statistics The inferential statistics that we have discussed, such as t and ANOVA, are parametric statistics A parametric ...

Source : http://academic.udayton.edu/gregelvers/psy216/ppt/nominal.ppt

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://luna.cas.usf.edu/~mbrannic/files/regression/8%20The%20t-test.ppt

8.1 Testing the Difference Between Means (Large Independent ... PPT

Presentation Summary : Two-Sample z-test for the Difference Between Means If these requirements are met, then the sampling distribution for (the difference of the sample means) ...

Source : http://www.dgelman.com/powerpoints/statistics/spitz/8.1%20Testing%20the%20Difference%20Between%20Means%20Large.ppt

Hypothesis Testing – Two Samples PPT

Presentation Summary : Hypothesis Testing – Two Samples Chapters 12 & 13 Chapter Topics Comparing Two Independent Samples Independent samples Z test for the difference in two means Pooled ...

Source : http://www.bjgumm.com/psy2402/1213.ppt

The Normal Approximation for Data PPT

Presentation Summary : Two Samples z-test. We know how to deal with one sample z-test. Now we look at two independent samples.

Source : http://www.math.wustl.edu/~chenlw/two_samples_z-test

Z-Score “Cheat Sheet” - Michigan PPT

Presentation Summary : What is a Z-Score? A quick review of z-scores and how to understand them August 26, 2011 Z-Score “Cheat Sheet” Z-scores are a standardized measure that helps you ...

Source : http://www.michigan.gov/documents/mde/Z-Score_Cheat_Sheet_361680_7.pptx

Two Proportion z-Tests - Wikispaces PPT

Presentation Summary : Two Proportion z-Interval and z-Tests Small differences. Recall from Random Variables If X and Y are two independent Random Variables from Normal distributions, we ...

Source : http://wheelesclassroom.wikispaces.com/file/view/Two+Proportion+z-Tests.ppt

Fundamentals Of Hypothesis Testing: One Sample Test PPT

Presentation Summary : Title: Fundamentals Of Hypothesis Testing: One Sample Test Subject: Statistics for Managers Using Microsoft Excel, 2/e Keywords: Chapter 8, Hypothesis Testing ...

Source : http://www.clt.astate.edu/asyamil/groebner/ppts/Chapter%208%20Handout.PPT

PowerPoint Presentation PPT

Presentation Summary : One sample statistical tests, continued… Recall: Single population mean (large n) Hypothesis test: Confidence Interval Single population mean (small n, normally ...

Source : http://web.stanford.edu/~kcobb/hrp259/lecture8.ppt

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