z and t tests for the mean of a normal distribution Confidence intervals for the mean Binomial tests Chapters 3.5.1–3.5.2, 3.3.2 Prof. Tesler Math 283 April 28 – May…
Engineering Statistics Chapter 4 Hypothesis Testing 4B Testing on Variance & Proportion of Variances Why test variance? In real life, things vary. Even under strictest…
PRINCIPAL COMPONENTS ANALYSIS (PCA) Eigenanalysis (Hotelling, 1930âs) What is it? PCA allows to explore the relations between multiple variables at the same time and to…
The use & abuse of tests Statistical significance ≠ practical significance Significance ≠ proof of effect (confounds) Lack of significance ≠ lack of effect Factors…
Introduction to the t-statistic Introduction to Statistics Chapter 9 Oct 13-15, 2009 Classes #16-17 The Problem with Z-scores Z-scores have a shortcoming as an inferential…
Lecture (11,12) Parameter Estimation of PDF and Fitting a Distribution Function How can we specify a distribution from the data? Two steps procedure: Decide which family…