Essential Statistics

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Chapter 1: Introduction and Graphical Displays 19
We can use the Extended Frequency Table for Qualitative Data
workbook to create Table 1-1 . The results are shown in Figure 1- 9.
Observe that the information in Table 1-1 is listed in the first two columns
in the output. Ignore the other three columns of information for the time
being. These will be discussed later in this section.
Figure 1-9: Frequency Table for Example 1-1
Quantitative Frequency Distributions – Ungrouped (Discrete)
If we have raw data in which the values are discrete and the range of the
values is not large, then one may summarize such data with a frequency
distribution by listing the actual values. Since we will be displaying the
actual data values with their corresponding frequencies in a table, we call
such a table an ungrouped frequency distribution.
Definition: Ungrouped or Discrete Frequency Distribution
An ungrouped or discrete frequency distribution simply lists the data values
with the corresponding number of times or frequency count with which each
value occurs in tabular form.
Following is an example which deals with an ungrouped frequency
distribution.