Statistics: An Introduction

Statistics: An Introduction

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Master Teacher and writer Roger E. Kirk brings two clear goals to the Fifth Edition of STATISTICS: AN INTRODUCTION: to provide a sound introduction to descriptive and inferential statistics and to help students read and understand statistical presentations in their field. Kirk provides guidelines to help students decide when to use various procedures, and how to understand the logic of the procedures. This revision includes a complete update, focusing specifically on increased coverage of effect size and power. Important Notice: Media content referenced within the product description or the product text may not be available in the ebook version.X f(X) R Mdn Q X S As you saw earlier, each measure of dispersion is typically reported with a particular measure of ... For this distribution, the mean plus and minus the standard deviation ( S) is an interval that contains 68.27% of scores, as Figure 4.2-2 illustrates. ... It can be shown, 4 using the formula for a percentile rank presented earlier, that the interval 2.7a€“7.3 contains only 63.34% of the scores.

Title:Statistics: An Introduction
Author:Roger Kirk
Publisher:Cengage Learning - 2007-02-26


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