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If a problem said, "draw a frequency distribution", what elements are included in the frequency distribution?
in Data Science by Wooden (1,989 points) | 23 views

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The frequency (f) of a particular observation is the number of times the observation occurs in the data. The distribution of a variable is the pattern of frequencies of the observation. Frequency distributions are portrayed as frequency tableshistograms, or polygons.

Frequency distributions can show either the actual number of observations falling in each range or the percentage of observations. In the latter instance, the distribution is called a relative frequency distribution.

Frequency distribution tables can be used for both categorical and numeric variables. Continuous variables should only be used with class intervals, which will be explained shortly.

 

Constructing a frequency table:

Part 1: Choose Classes - Figure out how many classes (categories) you need. There are no hard rules about how many classes to pick, but there are a couple of general guidelines

Sorting the Data

 

 

 

by Wooden (1,989 points)
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