Statistic

ORGANIZING AND GRAPHING QUALITATIVE DATA.

  1. Frequency Distributions
  2. Relative Frequency and Percentage Distributions
  3. Graphical Presentation of Qualitative Data
  • Bar Graphs
  • Pie Charts

Frequency Distributions

 Definition

 A frequency distribution for qualitative data lists all categories and the number of elements that belong to each of the categories.

Example 2-1

 A sample of 30 employees from large companies was selected, and these employees were asked how stressful their jobs were. The responses of these employees are recorded next where very represents very stressful, somewhat means somewhat stressful, and none stands for not stressful at all.

Example 2-1

Some what

None

Somewhat

Very

Very

None

Very

Somewhat

Somewhat

Very

Somewhat

Somewhat

Very

Somewhat

None

Very

None

Somewhat

Somewhat

Very

Somewhat

Somewhat

Very

None

Somewhat

Very

very

somewhat

None

Somewhat

Construct a frequency distribution table for these data.

Solution 2-1

Table 2.4 Frequency Distribution of Stress on Job.

Stress on Job

    Tally

Frequency (f)

Very

Somewhat

None

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10

14

6

   

Sum = 30