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 Ranks 1 and 2?
Gantt Chart
A visual project management tool that outlines a project schedule, showing the start and finish dates of various elements or tasks within the project.
PERT/CPM Network
Pertains to the management tools known as Program Evaluation and Review Technique (PERT) and Critical Path Method (CPM), used for planning, scheduling, and controlling complex projects.
Arnold Palmer Hospital
A highly regarded healthcare institution known for its specialized services and commitment to patient care.
Critical Path Analysis
A technique used in project management to identify the sequence of dependent tasks that determine the minimum overall duration of a project.