Overview

Statistics. Just the word alone can bring nervousness and fear to many people. Relax! Statistics are all around us and you already know more about statistics than you think! We encounter statistics every day: The average price of a gallon of gas. The amount of rainfall or snowfall from a storm. The batting average of your favorite baseball player. The price increase (or decrease) for stocks on the Dow. The class test results for a recent exam. Your average speed or miles-per-gallon on a recent trip. So, what exactly is statistics? Statistics is the collection and analysis of data. The good news is that statistics does not have to be hard. So, if you are new to statistics or think you already dislike statistics, this book is for you. The book covers the essential statistics you must know to perform research or to succeed in business. Each chapter introduces a key topic, introduces the math, and then shows you how to calculate the statistic using either Excel or Python. If you work with data, you need this book: Chapter 1: The Big Deal About Statistics Chapter 2: You Know More Statistics than You Think Chapter 3: Visualizing Key Statistics- The Box-and-Whiskers Chart Chapter 4: Calculating a Data Set's Variance and Standard Deviation Chapter 5: Determining Relationships (Correlations) Between Two Variables Chapter 6: Understanding Z-Scores (aka Standard Scores) Chapter 7: Understanding the Impact of Outliers and Other Types of Means Chapter 8: Samples and Populations 85 Chapter 9: Performing a Statistical Study Chapter 10: Performing a T-Test and Calculating the P-Value Chapter 11: Data Distributions Chapter 12: Calculating Confidence Intervals (and the Margin of Error) Chapter 13: Simple Probabilités Chapter 14: Performing a Time-Series Analysis Chapter 15: Predicting Future Events Using Regression 1 Chapter 16: Clustering Data into Groups Chapter 17: Understanding Data Quality Chapter 18 Starting Your Statistics Project If you want to understand your data, make data-driven decisions, participate in a research study, or get a leg up on others--this is the book to help you quickly master statistics.

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