Statistic

Relative Frequency and Percentage Distributions cont.

 Calculating Percentage

Percentage = (Relative frequency) · 100

Example 2-2

 Determine the relative frequency and percentage for the data in Table 2.4.

Solution 2-2

Table 2.5 Relative Frequency and Percentage Distributions of Stress on Job

Stress on Job

Relative Frequency

Percentage

Very

Somewhat

None

10/30 = .333

14/30 = .467

6/30 = .200

.333(100) = 33.3

.467(100) = 46.7

.200(100) = 20.0

 

Sum = 1.00

Sum = 100