PROPHET StatGuide: Frequency tables
For grouped data, frequency tables record the frequency (and
associated percentage) and cumulative frequency (and associated
cumulative percentage) for the values that fall within each group.
Individual qualitative
data values may be grouped by a classification variable.
Individual quantitative
data values may be grouped by defining intervals or cutpoints
to bin the data into separate groups.
The full version of StatGuide for frequency tables will be available in a
future release. In the meantime, to properly analyze and interpret
results of frequency tables, you should be familiar with the
following terms and concepts:
If you are not familiar with these terms and concepts, you are advised to
consult with a statistician. Failure to understand and properly apply
frequency tables may result in drawing erroneous conclusions from your data.
Additionally, you may want to consult the following references:
- Brownlee, K. A. 1965. Statistical Theory and Methodology
in Science and Engineering. New York: John Wiley & Sons.
- Daniel, Wayne W. 1995. Biostatistics. 6th ed.
New York: John Wiley & Sons.
- Sokal, Robert R. and Rohlf, F. James. 1995. Biometry. 3rd. ed.
New York: W. H. Freeman and Co.
- Zar, Jerrold H. 1996. Biostatistical Analysis. 3rd ed. Upper Saddle River, NJ:
Prentice-Hall.
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Last modified: February 14, 1997
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