Business Statistics: For Contemporary Decision Making, 8th Edition

CONTENTS

Preface

About the Author

UNIT I INTRODUCTION

1 Introduction to Statistics

Decision Dilemma: Statistics Describe the State of Business in India's Countryside

1.1 Statistics in Business

1.2 Basic Statistical Concepts

1.3 Variables and Data

1.4 Data Measurement

Nominal Level

Ordinal Level

Interval Level

Ratio Level

Comparison of the Four Levels of Data

Statistical Analysis Using the Computer: Excel and Minitab

Summary

Key Terms

Supplementary Problems

Analyzing the Databases

Case: DiGiorno Pizza: Introducing a Frozen Pizza to Compete with Carry-Out

2 Charts and Graphs

Decision Dilemma: Container Shipping Companies

2.1 Frequency Distributions

Class Midpoint

Relative Frequency

Cumulative Frequency

2.2 Quantitative Data Graphs

Histograms

Using Histograms to Get an Initial Overview of the Data

Frequency Polygons

Ogives

Dot Plots

Stem-and-Leaf Plots

2.3 Qualitative Data Graphs

Pie Charts

Bar Graphs

Pareto Charts

2.4 Charts and Graphs for Two Variables

Cross Tabulation

Scatter Plot

Summary

Key Terms

Supplementary Problems

Analyzing the Databases

Case: Soap Companies Do Battle

Using the Computer

3 Descriptive Statistics

Decision Dilemma: Laundry Statistics

3.1 Measures of Central Tendency: Ungrouped Data

Mode

Median

Mean

Percentiles

Steps in Determining the Location of a Percentile

Quartiles

3.2 Measures of Variability: Ungrouped Data

Range

Interquartile Range

Mean Absolute Deviation, Variance, and Standard Deviation

Mean Absolute Deviation

Variance

Standard Deviation

Meaning of ...