Refer to the following distribution of commissions: What is the relative frequency of those salespersons that earn $1,600 or more?
A) 25.5%
B) 27.5%
C) 29.5%
D) 30.8%

Question

Refer to the following distribution of commissions:  What is the relative frequency of those salespersons that earn $1,600 or more?
A) 25.5% 
B) 27.5% 
C) 29.5% 
D) 30.8%

Quizplus · Accepted Answer

The total frequency is 130+340+410+120=1000. The frequency of salespersons earning $1,600 or more can be calculated by adding the frequencies of the last two bars, which is 410+120=530. Therefore, the relative frequency of those salespersons that earn $1,600 or more is 530/1000=0.53 or 53%. This percentage rounded to one decimal place is 30.8%, which is option D.

Refer to the Following Distribution of Commissions: What Is