Business Statistics An Applied Orientation
Business Statistics: An Applied Orientation provides with a conceptual framework of business, develops skills in applying concepts into decision situations, and helps understand the nitty-gritty of business statistics. This book will also be useful to professionals who would like to acquire basic kn...
Autor principal: | |
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Formato: | Libro electrónico |
Idioma: | Inglés |
Publicado: |
Noida :
Pearson India
2006.
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Edición: | 1st ed |
Materias: | |
Ver en Biblioteca Universitat Ramon Llull: | https://discovery.url.edu/permalink/34CSUC_URL/1im36ta/alma991009815725106719 |
Tabla de Contenidos:
- Cover
- About the Author
- Foreword
- Preface
- Contents
- Chapter 1: An Overview of Statistics
- Learning Objectives
- Introduction
- Chapter Outline
- 1.1 Why Should I Study Statistics?
- 1.2 What is Statistics?
- 1.3 Some Typical Application Areas
- Quality Management
- Finance
- Materials Management
- Marketing
- 1.4 Types of Statistics
- Example for Descriptive Statistics
- Example for Inferential Statistics
- 1.5 Some Key Terms and Definitions
- Population (Universe)
- Sample
- Variable
- Parameter
- Statistic
- 1.6 Types of Data
- 1.7 Data Measurement Scales
- 1.8 Sources of Data
- 1.9 Step-by-Step Approach to Statistical Investigation
- 1. Problem Identification
- 2. Objectives of the Study
- 3. Type of Study
- 4. Sampling Plan
- 5. Data Collection
- 6. Data Analysis and Interpretations
- 7 Findings of the Study
- 1.10 Chapter Summary
- Glossary
- Review Questions
- Case Study-Savvy Fast Food
- Questions
- Answers to Review Questions
- Chapter 2: Classifying Data to Convey Meaning
- Learning Objectives
- Introduction
- Chapter Outline
- 2.1 Meaning and Examples of Raw Data
- 2.2 Frequency Distribution
- Guidelines for Constructing a Frequency Distribution Table
- Construction of a Frequency Distribution - An Example
- 2.3 Histogram
- Uses of Histogram
- Computer and Histogram
- Some Fine Tuning
- Some Fine Tuning
- 2.4 Cumulative Frequency Distribution and Ogive Curve
- 2.5 Chapter Summary
- Glossary
- Review Questions
- Answers to Review Questions
- Practice Problems
- 1. Case Study -Waiting Time in ATM Counters
- 2. Case Study-Shaft Diameter
- 3. For problems 1) and 2), construct the cumulative distribution curves and give your comments
- 4. Case Study-Electricity Charges
- 5. Case Study- Money Spent On Fast Food
- Chapter 3: Measures of Central Tendency and Dispersion.
- Learning Objectives
- Introduction
- Chapter Outline
- 3.1 Measures of Central Tendency
- What is Central Tendency?
- Measures of Central Tendency
- Arithmetic Mean
- Solution for Mean
- Comparative Picture of Mean, Median, Mode
- 3.2 Measures of Dispersion (Variation)
- Measures of Dispersion (Spread)
- 3.3 Chapter Summary
- Glossary
- Review Questions
- Answers to Review Questions
- Practice Problems
- Chapter 4: Probability-A Conceptual Framework
- Learning Objectives
- Introduction
- Chapter Outline
- 4.1 Meaning and Concepts of Probability
- An Example
- Progressive Test Question
- 4.2 Types of Probability
- Relative Frequency Probability
- Subjective Probability
- 4.3 Mutually Exclusive Events
- 4.4 Independent Events
- 4.5 Rules for Calculating Probability
- Example Problem for Addition Rule
- Solution to the Problem
- 4.6 Use of Probability Tree
- Probability Tree-Example Problem
- Comprehensive Example
- 4.7 Chapter Summary
- Glossary
- Review Questions
- Answers to Review Questions
- Practice Problems
- Chapter 5: Probability Distributions
- Learning Objectives
- Introduction
- Chapter Outline
- 5.1 What is a Probability Distribution?
- Another Example for a Probability Distribution
- 5.2 The Binomial Distribution
- Example for Mean and Standard Deviation
- Example from Quality Control Function
- Questions
- Solution
- 5.3 The Poisson Distribution
- Application in Airlines
- 5.4 The Normal Distribution
- Example Problem for the Normal Distribution
- Critical Thinking Skills
- The Normal Approximation to the Binomial Distribution
- 5.5 Chapter Summary
- Glossary
- Review Questions
- Answers to Review Questions
- Practice Problems
- 1. Case Study: Business Statistics Course
- 2. Case Study: Automobile Components
- 3. Case Study: Credit Cards
- 4. Case Study: Motorcar Accidents.
- Chaptert 6: Basics of Sampling and Sampling Distribution
- Learning Objectives
- Introduction
- Chapter Outline
- 6.1 What is Sampling and Why Do You Need Sampling?
- Why do you need Sampling?
- 6.2 Types of Sampling
- Probability Sampling (Random Sampling)
- 6.3 Sampling Distribution -A Conceptual Pramework
- Sampling Distribution -Definition
- 6.4 The Concept of Standard Error
- 6.5 Sampling Distribution of the Mean from Normal population
- 6.6 Sampling Distribution of the Mean - Non-Normal Population
- Diagram depicting the Central Limit Theorem
- 6.7 Chapter Summary
- Glossary
- Review Questions
- Mini Case
- Answers to Review Questions
- Practice Problems
- 1. Case Study - Tire Life
- 2. Case Study - Book Exposure on Students
- Questions
- 4. Case Study- Fallacy in Sampling
- Questions
- Chapter 7: Estimation
- Learning Objectives
- Introduction
- Chapter Outline
- 7.1 Point Estimation
- Point Estimation - Population Mean
- Point Estimation-Population Proportion
- 7.2 Interval Estimation
- 7.3 Confidence Interval for Population Mean and Proportion- Large Sample
- 7.4 Confidence Interval for Population Mean - Small Sample ('t'-Distribution)
- Characteristics of the t Distribution
- Confidence Interval for Mean using t Distribution
- 7.5 How to Determine Sample Size Using Confidence Interval
- Sample Size Determination - Population Mean
- Sample Size Determination - Population Proportion
- 7.6 Chapter Summary
- Glossar
- Review Questions
- Answers to Review Questions
- Practice Problems
- Chapter 8: Hypothesis Testing
- Learning Objectives
- Introduction
- Chapter Outline
- 8.1 Statistical Hypothesis-A Conceptual Framework
- What is a Statistical Hypothesis?
- The Type I and Type II Errors
- 8.2 Hypothesis Testing -Univariate Case (One Sample
- Hypothesis Testing - Population Mean (Single Mean).
- P-Value
- 8.3 Hypothesis Testing -Bivariate Case (Two Sample
- Hypothesis Testing - Two Population Means
- 8.4 Chapter Summary
- Glossary
- Review Questions
- Answers to Review Questions
- Practice Problems
- 1. Case Study- New Product Introduction
- 2. Case Study -Test of Analytical Ability
- 3. Case Study - Readymade Garment
- 4. Case Study - Sales Incentive Scheme
- Chapter 9: Chi-Square Test and Analysis of Variance (ANOVA)
- Learning Objectives
- Introduction
- Chapter Outline
- 9.1 Chi-Square (x2) Analysis-Basics
- 9.2 Chi-Square Test-Goodness of Fit
- 9.3 Chi-Square Test of Independence
- 9.4 ANOVA-Basics
- 9.5 ANOVA-One-Way Classification
- How One-Way Classification Works in Practice?
- Meaning of the formulas
- 9.6 ANOVA-Two -Way Classification
- Interpretation of the Results
- 9.7 Chapter Summary
- Glossary
- Review Questions
- Answers to Review Questions
- Practice Problems
- 2. Case Study- Ointment to Treat Fungus Problem on Human Skin
- 3. Case Study-Do Color and Size of Package Design Boost the Sales?
- 4. Case Study-Comparison of Life of Different Brands of Tire
- Chapter 10: Correlation and Regression
- Learning Objective
- Introduction
- Chapter Outline
- 10.1 What is Correlation?
- 10.2 Insights into Correlation
- Properties of Correlation Coefficient
- 10.3 Basics of Regression
- Need for Regression
- 10.4 Regression Model
- Historical Perspective
- How does Simple Linear Regression work in practice?
- The concept of Coefficient of Determination for Statistical Validity
- Regression with Pleasure from Microsoft Excel
- Explanation on the Output
- Item of interest on the ANOVA output
- Multiple Linear Regression Model
- 10.5 Chapter Summary
- Glossary
- Review Questions
- Answers to Review Questions
- Practice Problems
- 2. Case Study-Monthly Sales Forecast.
- 3. Case Study- Fuel Consumption for Car
- Question
- 4. Case Study- Are Sales influenced by Sales Promotion and Advertising?
- Chapter 11: Decision Analysis
- Learning Objectives
- Introduction
- Chapter Outline
- 11.1 Steps in Systematic Problem Solving
- Case Study-Product Mix Decision
- Steps in Systematic Problem Solving Explained for the Case
- Define and Analyze the Problem
- Determine a Set of Alternative Solutions
- Establish Criteria for Evaluating the Alternatives
- Evaluate the Alternatives
- Choose the Best Alternative
- Implement the Best Alternative
- Evaluate the Results and Check that things are working all right
- 11.2 How to Structure a Decision Problem
- Pay off Matrix for the Example:
- 11.3 Expected Monetary Value (EMV
- Expected Value of Perfect Information (EVPI)
- Opportunity Loss Table
- 11.4 Decision Tree
- Decision Tree - A comprehensive case problem
- Case Study-Product Mix to Maximize Expected Contribution
- Question
- 11.5 Value of Sample Information
- 11.6 Chapter Summary
- Glossary
- Review Questions
- Answers to Review Questions
- Practice Problems
- Questions
- Questions
- 3. Case Study- Launch or not to Launch
- Questions
- Chapter 12: Forecasting
- Learning Objectives
- Introduction
- Chapter Outline
- 12.1 Forecasting-Basics
- Forecasting Methods in Practice
- 12.2 Qualitative Methods of Forecasting
- Methods Used in Qualitative Forecasting
- 12.3 Quantitative Methods of Forecasting
- Time Series Analysis
- Moving Average
- Moving Average using Microsoft Excel
- Exponential Smoothing
- New Forecast = (0.3)(50) + (1-0.3)(55) = 53.5.
- Spreadsheet Showing Basic Calculations
- Smooth Exponential Smoothing Using Microsoft
- Trend Projection
- Forecasting Using Multiple Regression Model
- Case Example-Sales Forecasting
- A Brief Note on Accuracy of Forecast.
- 12.4 Chapter Summary.