Business statistics

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  • Many people find statistics challenging, but most statistics professors do not. As a result, it is sometimes hard for our professors and the authors of statistics textbooks to make statistics clear and practical for business students, managers, and executives. Business Statistics Demystified fills that gap. We begin slowly, introducing statistical concepts without mathematics.

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  • In Business Statistics, we try to narrow the gap between theory and practice by presentingstatistical methods so they are both relevant and interesting.The data that inform a business decision have a story to tell, and the role ofStatistics is to help us hear that story clearly and communicate it to others.

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  • Chapter 1 - An introduction to business statistics. After mastering the material in this chapter, you will be able to: Define a variable, describe the difference between a quantitative variable and a qualitative variable, describe the difference between crosssectional data and time series data, construct and interpret a time series (runs) plot,...

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  • (BQ) Part 1 book "Business statistics: A decision - making approach" has contents: The where, why, and how of data collection; graphs, charts, and tables - describing your data; describing data using numerical measures; special review section I;...and other contents.

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  • (BQ) Part 2 book "Business statistics: A decision - making approach" has contents: Estimating single population parameters, introduction to hypothesis testing, estimation and hypothesis testing for two population parameters, analysis of variance,...and other contents.

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  • (BQ) Part 1 book "Essentials of modern business statistics" has contents: Data and statistics; descriptive statistics - tabular and graphical presentations; descriptive statistics - numerical measures; introduction to probability; discrete probability distributions,...and other contents.

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  • (BQ) Part 2 book "Essentials of modern business statistics" has contents: has contents: Interval estimation, hypothesis tests, simple linear regression, multiple regression, comparisons involving proportions and a test of independence,...and other contents.

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  • (BQ) Part 1 book "Basic business statistics - Concepts and applications" has contents: Introduction, organizing and visualizing data, basic probability, discrete probability distributions, the normal distribution and other continuous distributions,...and other contents.

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  • (BQ) Part 2 book "Basic business statistics - Concepts and applications" has contents: Analysis of variance, simple linear regression, introduction to multiple regression, multiple regression model building, statistical applications in quality management, a road map for analyzing data,...and other contents.

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  • (BQ) Part 1 book "Business statistics" has contents: Statistics and variation, surveys and sampling, displaying and describing categorical data, displaying and describing quantitative data, correlation and linear regression, randomness and probability, random variables and probability models,...and other contents.

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  • (BQ) Part 2 book "Business statistics" has contents: Inference for regression, understanding residuals, multiple regression, building multiple regression models, time series analysis.

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  • (BQ) Part 1 book "Essentials of business statistics" has contents: An introduction to business statistics; descriptive statistics - tabular and graphical methods; descriptive statistics - numerical methods, probability, discrete random variables, continuous random variables, sampling and sampling distributions, confidence intervals.

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  • (BQ) Part 2 book "Essentials of business statistics" has contents: Hypothesis testing, statistical inferences based on two samples, experimental design and analysis of variance, simple linear regression analysis, multiple regression and model building, Chi-Square tests.

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  • A: Basically, statistics is the “science of data.” There are three main tasks in statistics: (A) collection and organization, (B) analysis, and (C) interpretation of data. (A) Collection and organization of data: We will see several methods of organizing data: graphically (through the use of charts and graphs) and numerically (through the use of tables of data). The type of organization we do depends on the type of analysis we wish to perform.

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  • Chapter 2 - Descriptive statistics: Tabular and graphical methods. After mastering the material in this chapter, you will be able to: Summarize qualitative data by using frequency distributions, bar charts, and pie charts; construct and interpret Pareto charts (Optional); summarize quantitative data by using frequency distributions, histograms, frequency polygons, and ogives;...

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  • Chapter 3 - Descriptive statistics: Numerical methods. After mastering the material in this chapter, you will be able to: Compute and interpret the mean, median, and mode; compute and interpret the range, variance, and standard deviation; use the Empirical Rule and Chebyshev's Theorem to describe variation;...

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  • Chapter 11 - Statistical inferences for population variances. After mastering the material in this chapter, you will be able to: Explain the basic terminology and concepts of experimental design, compare several different population means by using a one-way analysis of variance, compare treatment effects and block effects by using a randomized block design,...

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  • This compendium aims at providing a comprehensive overview of the main topics that appear in any well-structured course sequence in statistics for business and economics at the undergraduate and MBA levels. The idea is to supplement either formal or informal statistic textbooks such as, e.g., “Basic Statistical Ideas for Managers” by D.K. Hildebrand and R.L. Ott and “The Practice of Business Statistics: Using Data for Decisions” by D.S. Moore, G.P. McCabe, W.M. Duckworth and S.L. Sclove, with a summary of theory as well as with a couple of extra examples.

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  • (BQ) Part 2 book "The mathematics of money" has contents: Investments, retirement plans, mathematics of pricing, taxes, consumer mathematics, international business, financial statements, insurance and risk management, evaluating projected cash flows, business statistics.

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  • Chapter 1 - What is statistics? When you have completed this chapter, you will be able to: Explain what is meant by statistics, identify the role of statistics in the development of knowledge and everyday life, explain what is meant by descriptive statistics and inferential statistics, distinguish between a qualitative variable and a quantitative variable,...

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