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Chapter 22. Mastering the Analysis ToolPak > Common Problems and Solutions

Common Problems and Solutions

When you work with analytical procedures, you can easily make mistakes. If you make mistakes in procedure, the course of action you chart based on the results may be completely mistaken. As a result, you want to avoid some very common errors.

Making the Wrong Assumptions

Many statistical procedures require you to make certain assumptions about your data. One of the most common is that the sample was generated from a population in which the measurement in question is normally distributed. The normal distribution has a venerable status in the life of any student who was graded on the curve. It fits the types of measurements that we often make. Perhaps one of the great mysteries of life is why such measurements typically have the frequencies described by this curve in the general population.


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