1. Introduction to sample size and power calculations How much chance do we have to reject the null hypothesis when the alternative is in fact true? (what’s the probability…
Richard Walsh Earp Sikha Saha Bagui Wordware Publishing, Inc. Library of Congress Cataloging-in-Publication Data Earp, Richard, 1940Advanced SQL functions in Oracle 10g /…
Slide 1Lesson 12 - 2 Tests about a Population Parameter Slide 2 Knowledge Objectives Explain why p 0, rather than p-hat, is used when computing the standard error of p-hat…
Slide 1Inferential Statistics and t - tests ScWk 242 – Session 9 Slides Slide 2 Inferential Statistics Inferential statistics are used to test hypotheses about the relationship…
One tailed t-test using SPSS: Divide the probability that a two-tailed SPSS test produces. SPSS always produces two-tailed significance level. frequency of D μD Trivial…
LESSON 12 - 2 Tests about a Population Parameter KNOWLEDGE OBJECTIVES Explain why p0, rather than p-hat, is used when computing the standard error of p-hat in a significance…
Sample Size 1 _ Lecture 15 Some Evidence that Sample Size is Not Considered Carefully: A Survey of 71 “Negative” Trials (Freiman et al., NEJM, 1978) Authors stated “no…
Hypothesis Testing in SPSS Using the T Distribution Lab: Chapters 11, 12 and 13 * The Sampling Distribution * Answering Questions with Statistics Chapter 13 Using the T Sampling…