Final answer:
To find the relative frequency of class D in the given partial relative frequency distribution table, subtract the sum of the relative frequencies of classes A, B, and C from 1.
Step-by-step explanation:
The relative frequency of class D is not given in the partial relative frequency distribution table. It's represented by (a). To find the relative frequency of class D, we need to subtract the sum of the relative frequencies of classes A, B, and C from 1.
Given that the relative frequencies of classes A, B, and C are 0.22, 0.18, and 0.34 respectively, we can calculate the relative frequency of class D as follows:
Relative frequency of class D = 1 - (0.22 + 0.18 + 0.34)
Relative frequency of class D = 1 - 0.74
Relative frequency of class D = 0.26