Use the data given below to answer the following question(s) .
Following is an extract from the Employee Payroll Database of HFR Informatics Inc. Employee Maria Peter George Smith Johnson Thompson Martinez Lewis Lee Taylor Carter Edwards Bailey Cooper Bill Cox Perry Flores Woods Cole Ethnic Group Asian American White American Hispanic American Black American Alaska Native Asian American Alaska Native White American Black American Asian American Asian American Hispanic American White American White American Alaska Native Asian American Hispanic American Alaska Native White American Asian American Gender Female Male Male Female Male Male Male Female Male Female Male Male Male Male Male Male Female Female Male Female Rank / Grade 32112232212222312231 Pay Scale A B C D E B A B A B C E B A E A C B E A
-What is the relative frequency of Grade 3 employees?
Trade Discount
A reduction in the retail price provided by a seller to a buyer, often based on the quantity of goods purchased or to encourage prompt payment.
Trade Discount
A deduction from the list price of goods, provided by a seller to a buyer, often based on volume of purchase or early payment.
Trade Discount
A reduction in the listed price of a good or service offered by a seller to a buyer, usually based on the quantity purchased or the buyer's status.
Trade Discount
A reduction from the list price granted by a seller to a buyer in a commercial transaction, typically based on volume or early payment.