Business Statistics For Dummies

Höfundur Alan Anderson

Útgefandi Wiley Professional Development (P&T)

Snið ePub

Print ISBN 9781394219926

Útgáfa 2

Útgáfuár 2024

2.290 kr.

Description

Efnisyfirlit

  • Cover
  • Title Page
  • Copyright
  • Introduction
  • About This Book
  • Foolish Assumptions
  • Icons Used in This Book
  • Beyond the Book
  • Where to Go from Here
  • Part 1: Getting Started with Business Statistics
  • Chapter 1: The Art and Science of Business Statistics
  • Representing the Key Properties of Data
  • Probability: The Foundation of All Statistical Analysis
  • Using Sampling Techniques and Sampling Distributions
  • Statistical Inference: Drawing Conclusions from Data
  • Chapter 2: Pictures Tell the Story: Graphical Representations of Data
  • Analyzing the Distribution of Data by Class or Category
  • Histograms: Getting a Picture of Frequency Distributions
  • Checking Out Other Useful Graphs
  • Chapter 3: Identifying the Center of a Data Set
  • Looking at Methods for Finding the Mean
  • Getting to the Middle of Things: The Median of a Data Set
  • Determining the Relationship Between the Mean and Median
  • Discovering the Mode: The Most Frequently Repeated Element
  • Computing the Mean, Median, and Mode with the TI-84 Plus Calculator
  • Chapter 4: Measuring Variation in a Data Set
  • Determining Variance and Standard Deviation
  • Finding the Relative Position of Data
  • Measuring Relative Variation
  • Computing Measures of Dispersion with the TI-84 Plus Calculator
  • Chapter 5: Measuring How Data Sets Are Related to Each Other
  • Understanding Covariance and Correlation
  • Interpreting the Correlation Coefficient
  • Computing Covariance and Correlation with the TI-84 Plus Calculator
  • Part 2: Probability Theory and Probability Distributions
  • Chapter 6: Probability Theory: Measuring the Likelihood of Events
  • Working with Sets
  • Betting on Uncertain Outcomes
  • Looking at Types of Probabilities
  • Following the Rules: Computing Probabilities
  • Chapter 7: Probability Distributions and Random Variables
  • Defining the Role of the Random Variable
  • Assigning Probabilities to a Random Variable
  • Characterizing a Probability Distribution with Moments
  • Chapter 8: The Binomial and Poisson Distributions
  • Looking at Two Possibilities with the Binomial Distribution
  • Keeping the Time: The Poisson Distribution
  • Computing Binomial and Poisson Probabilities with the TI-84 Plus Calculator
  • Chapter 9: The Normal Distribution: So Many Possibilities!
  • Comparing Discrete and Continuous Distributions
  • Understanding the Normal Distribution
  • Computing Probabilities for the Normal Distribution with the TI-84 Plus Calculator
  • Chapter 10: Sampling Techniques and Distributions
  • Sampling Techniques: Choosing Data from a Population
  • Sampling Distributions
  • The Central Limit Theorem
  • Part 3: Drawing Conclusions from Samples
  • Chapter 11: Confidence Intervals and the Student’s t-Distribution
  • Almost Normal: The Student’s t-Distribution
  • Graphing the t-Distribution
  • Probabilities and the t-Table
  • Point Estimates vs. Interval Estimates
  • Estimating Confidence Intervals for the Population Mean
  • Computing Confidence Intervals for the Population Mean with the TI-84 Plus Calculator
  • Chapter 12: Testing Hypotheses about the Population Mean
  • Applying the Key Steps in Hypothesis Testing for a Single Population Mean
  • Testing Hypotheses About Two Population Means
  • Testing Hypotheses about Population Means with the TI-84 Plus Calculator
  • Chapter 13: Applications of the Chi-Square Distribution
  • Staying Positive with the Chi-Square Distribution
  • Testing Hypotheses about the Population Variance
  • Practicing the Goodness of Fit Tests
  • Conducing a Goodness of Fit Test with the TI-84 Plus Calculator
  • Chapter 14: Applications of the F-Distribution
  • Getting to Know the F-Distribution
  • Testing Hypotheses about the Equality of Two Population Variances
  • Testing Hypotheses about Two Population Variances with the TI-84 Plus Calculator
  • Part 4: More Advanced Techniques: Regression Analysis and Spreadsheet Modeling
  • Chapter 15: Simple Regression Analysis
  • The Fundamental Assumption: Variables Have a Linear Relationship
  • Defining the Population Regression Equation
  • Estimating the Population Regression Equation
  • Testing the Estimated Regression Equation
  • Using Statistical Software
  • Assumptions of Simple Linear Regression
  • Conducting Simple Regression Analysis with the TI-84 Plus Calculator
  • Chapter 16: Key Statistical Techniques in Excel
  • Implementing Excel Functions
  • Checking Out Excel’s Key Statistical Functions
  • Going Deeper with the Analysis ToolPak
  • Part 5: The Part of Tens
  • Chapter 17: Ten Common Errors That Arise in Statistical Analysis
  • Designing Misleading Graphs
  • Drawing the Wrong Conclusion from a Confidence Interval
  • Misinterpreting the Results of a Hypothesis Test
  • Placing Too Much Confidence in the Coefficient of Determination ()
  • Assuming Normality
  • Thinking Correlation Implies Causality
  • Drawing Conclusions from a Regression Equation When the Data Do Not Follow the Assumptions
  • Using Regression Analysis to Make Predictions About Values Outside the Range of Sample Data
  • Placing Too Much Confidence in Forecasts
  • Using the Wrong Distribution
  • Chapter 18: (Almost) Ten Key Categories of Formulas for Business Statistics
  • Summary Measures of a Population or a Sample
  • Probability
  • Discrete Probability Distributions
  • Continuous Probability Distributions
  • Sampling Distributions
  • Confidence Intervals for the Population Mean
  • Testing Hypotheses about Population Means
  • Testing Hypotheses about Population Variances
  • Using Regression Analysis
  • Index
  • About the Author
  • Advertisement Page
  • Connect with Dummies
  • End User License Agreement
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