Answer Posted / vamsi krishna

Before Going to the concepts,plz know what are these and
from where it will come and who will measure

All these are called as Some Metric Measurement,
All these will be calculated by Project QA and Manager,
All these are coming from Project Plan

It is not effect Variance--->Effort Variance


Effort Variance--Number of Man Months Working for Particular
Module and Difference between Actual and Planned Resources

Ex: For a particular Module 6 resource need to be work but
only 5 are working ,so there will be a lag of resource,then
effort variance will occur

Schedule Variance--Number of Man Months Working for
Particular Module for Number of Days

here both effort variance and Schedule Variance are directly
propositional


Defect Density:Number of Defect found in terms of code and
Depending in the organizational Standards

for CMMI Level-5, 1 Defect for 1024 Lines of Code,

Number of Defect's will define the quality of Software

Budget Variance:This will be Taken care by Project
management like OS,Budget all these are Financial Perspective

Let me know any thing Wrong,

Regards,
Vamsi Krishna,
ISTQB Certified,
+91 8013153659

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