'Compute test statistic' diaporamas de présentation

BS704 Class 7 Hypothesis Testing Procedures

BS704 Class 7 Hypothesis Testing Procedures. HW Set #6. Chapter 7 Problems 4, 7, 8, 20 and 25 R Problem Set 6 (on Blackboard) Due October 26 Please complete Quiz 8 Before Oct 26. Objectives.

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Inference when considering two populations

Inference when considering two populations. Not completely in FPP but good stuff anyway. Inference two variables. Here we focus on the following scenarios One categorical variable (with two categories only) and one quantitative variable

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Inference when considering two populations

Inference when considering two populations. Not completely in FPP but good stuff anyway. Inference for the difference of two parameters. Often we are interested in comparing the population average or the population proportion/percentage for two groups

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One Sample Z-test

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Inferential Statistics

Inferential Statistics. Confidence Intervals and Hypothesis Testing. Samples vs. Populations. Population All of the objects that belong to a class (e.g. all Darl projectile points, all Americans, all pollen grains) A theoretical distribution Sample Some of the objects in a class

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Inferences About Means of Two Independent Samples

Inferences About Means of Two Independent Samples. Chapter 11 Homework: 1, 2, 4, 6, 7. Hypotheses with 2 Independent Samples. Ch 11: select 2 independent samples are they from same population? Is difference due to chance?. Experimental Method. True experiment

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Chapter 9 Introduction to the t-statistic

Chapter 9 Introduction to the t-statistic. PSY295 Spring 2003 Summerfelt. Overview. CLT or Central Limit Theorem z-score Standard error t-score Degrees of freedom. Learning Objectives. Know when to use the t statistic for hypothesis testing Understand the relationship between z and t

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Pertemuan 11 Analisis Varians Data Nonparametrik

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S-012

S-012. Testing statistical hypotheses The CI approach The NHST approach. The key steps. The CI approach. The NHST approach. State hypothesis Null and alternative Set criterion Level of significance or Alpha level (e.g., 0.05) Compute test statistic and the probability value

213 views • 6 slides