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Statistics, 3E by Fatma Abdel-Raouf, Robert A. Donnelly

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CHAPTER2

Data, Data Everywhere and Not a Drop to Drink

In This Chapter

  • The difference between data and information
  • Where does data come from?
  • What kinds of data and variables can we use?
  • Classifying data by their level of measurement
  • Setting up Excel for statistical analysis

Data is the basic foundation for the field of statistics. The validity of any statistical study hinges on the validity of the data from the beginning of the process. Many things can come into question, such as the accuracy of the data or the source of the data. Without the proper foundation, your efforts to provide a sound analysis will come tumbling down.

The issues surrounding ...

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