Solution Manual for Essentials of Modern Business Statistics with Microsoft® Excel®, Anderson
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Course
Solution Manual for Essentials of Modern Business
Institution
Solution Manual For Essentials Of Modern Business
Solution Manual for Essentials of Modern Business
Statistics withMicrosoft® Excel®,Anderson
Chapter 1
Data and Statistics
Learning Objectives
1. Obtain an appreciation for the breadth of statistical applications in business and economics.
2. Understand the meaning of the terms elements, v...
Solution Manual for Essentials of Modern Business Statistics with Microsoft® Excel®, Anderson Chapter 1 Data and Statistics Learning Objectives 1. Obtain an appreciation for the breadth of statistical applications in business and economics. 2. Understand the meaning of the terms elements, variables, and observations as they are used in statistics. 3. Obtain an understanding of the difference between categorical, quantitative, crossectional and time series data. 4. Learn about the sources of data for statistical analysis both internal and external to the firm. 5. Be aware of how errors can arise in data. 6. Know the meaning of descriptive statistics and statistical inference. 7. Be able to distinguish between a population and a sample. 8. Understand the role a sample plays in making statistical inferences about the population. 9. Know the meaning of the term data mining. 10. Be aware of ethical guidelines for statistical practice. Solutions: 1. Statistics can be referred to as numerical facts. In a broader sense, statistics is the field of study dealing with the collection, analysis, presentation and interpretation of data. 2. a. The ten elements are the ten tablet computers b. 5 variables: Cost ($), Operating System, Display Size (inches), Battery Life (hours), CPU Manufacturer c. Categorical variables: Operating System and CPU Manufacturer Quantitative variables: Cost ($), Display Size (inches), and Battery Life (hours) d. Variable Measurement Scale Cost ($) Ratio Operating System Nominal Display Size (inches) Ratio Battery Life (hours) Ratio CPU Manufacturer Nominal 3. a. Average cost = 5829/10 = $582.90 b. Average cost with a Windows operating system = 3616/5 = $723.20
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