Slide 1 Slide 2 Reconstruction of Automobile destruction Elizabeth F. Loftus and John C. Palmer (1974) Slide 3 Please read the title and look at the picture Try to remember…

Slide 1Introduction to Biostatistical Analysis Using R Statistics course for first-year PhD students Lecturer: Lorenzo Marini, PhD Department of Environmental Agronomy and…

Slide 1C82MCP Diploma Statistics School of Psychology University of Nottingham 1 Overview of Lecture Parametric vs Non-Parametric Statistical Tests. Single Sample Chi-Square…

Slide 1Data Analysis Class 6: Hypothesis testing and confidence intervals Slide 2 What to expect? We have studied various distributions: –Bernoulli – binary –Geometric…

Slide 1Further Inference in the Multiple Regression Model Hill et al Chapter 8 Slide 2 The F-Test Used to test hypotheses on one or more parameters Unrestricted model: Restricted…

Slide 1Hypothesis Testing W&W, Chapter 9 Slide 2 Overview We will discuss two approaches to hypothesis testing: 1) Using confidence intervals 2) Using critical t or z…

Slide 1HYPOTHESIS TESTING Slide 2 Purpose The purpose of hypothesis testing is to help the researcher or administrator in reaching a decision concerning a population by examining…

Slide 1The logic behind a statistical test. A statistical test is the comparison of the probabilities in favour of a hypothesis H 1 with the respective probabilities of an…

Slide 1Comparison of 2 Population Means Goal: To compare 2 populations/treatments wrt a numeric outcome Sampling Design: Independent Samples (Parallel Groups) vs Paired Samples…

Slide 1Basic Statistics Slide 2 “I always find that statistics are hard to swallow and impossible to digest. The only one I can remember is that if all the people who go…