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Chapter 1 Statistics: The Art and Science of Learning from Data

Chapter 1 Statistics: The Art and Science of Learning from Data. Section 1.3 Using Calculators and Computers. Using Calculators and Computers. Using (and Misusing) Statistics Software and Calculators

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Chapter 1 Statistics: The Art and Science of Learning from Data

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  1. Chapter 1Statistics: The Art and Science of Learning from Data Section 1.3 Using Calculators and Computers

  2. Using Calculators and Computers Using (and Misusing) Statistics Software and Calculators • MINITAB and SPSS are two popular statistical software packages on college campuses. The TI-83 + and TI-84 graphing calculators, which have similar output, are useful as portable tools for generating simple statistics and graphs. • Using Technology • The problem is that a computer will perform the statistical analysis you request whether or not its use is valid for the given situation. You, not technology, must select valid analyses.

  3. Using Calculators and Computers • Data files • Large sets of data are typically organized in a spreadsheet format known as a data file. • Each row contains measurements for a particular subject. • Each column contains measurements for a particular characteristic. • Databases • An existing archive collection of data files. • Not all databases give reliable information. Before you give credence to such data, verify that the data are from a trustworthy source.

  4. Using Calculators and Computers • Applets • A short application program for performing a specific task. • Useful for performing activities that illustrate the ideas of statistics. • This is a type of simulation – using a computer to mimic what would actually happen if you elected a sample and used statistics in real life.

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