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 cumulative relative frequency of employees on a 'A to D' pay scale?
Algebraic Expression
An expression in mathematics that includes regular numbers, variables such as x or y, and operations such as addition, subtraction, multiplication, and division.
Algebraic Expression
An expression built from constants, variables, and algebraic operations (such as addition, subtraction, multiplication, and division).
Values
Numerical quantities assigned to variables or outcomes in mathematical expressions, calculations, or measurements.
Simplified Expression
An algebraic expression that has been reduced to its simplest form, making it easier to interpret or solve.