DOCUMENT RESOURCES FOR EVERYONE
Documents tagged
Documents Risk and return (1) Class 9 Financial Management, 15.414.

Slide 1Risk and return (1) Class 9 Financial Management, 15.414 Slide 2 Today Risk and return Statistics review Introduction to stock price behavior Reading Brealey and Myers,…

Documents Chapter6_01

Slide 1 Copyright © Cengage Learning. All rights reserved. 6 Point Estimation ‹#› 1 Copyright © Cengage Learning. All rights reserved. 6.1 Some General Concepts of…

Documents Newbold Chapter 7

Statistics for Business and Economics 7th Edition Chapter 7 Estimation: Single Population Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall Ch. 7-* Copyright…

Documents Ztslides 11 Handout

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…

Documents Engineering Statistics Chapter 4 Hypothesis Testing 4B Testing on Variance & Proportion of...

Engineering Statistics Chapter 4 Hypothesis Testing 4B Testing on Variance & Proportion of Variances Why test variance? In real life, things vary. Even under strictest…

Documents Chapter 9: Inferences Involving One Population Student’s t, df = 5 Student’s t, df = 15...

Chapter 9: Inferences Involving One Population Studentâs t, df = 5 Studentâs t, df = 15 Studentâs t, df = 25 Chapter Goals Learned about confidence intervals and hypothesis…

Documents PRINCIPAL COMPONENTS ANALYSIS (PCA) Eigenanalysis (Hotelling, 1930’s)

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…

Documents The use & abuse of tests Statistical significance ≠ practical significance Significance ≠ proof....

The use & abuse of tests Statistical significance ≠ practical significance Significance ≠ proof of effect (confounds) Lack of significance ≠ lack of effect Factors…

Documents Introduction to the t-statistic Introduction to Statistics Chapter 9 Oct 13-15, 2009 Classes #16-17.

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…

Documents Lecture (11 ,12)

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…