Identify the missing words in the following sentence.
"It is unrealistic to expect that all four variables of time, cost, quality, and features can be fixed and controlled. It is necessary to allow for flexibility (contingency) in [ ? ]."
Which of the following statements about Scrum Theory is true?
Scrum employs an iterative approach (correcting the typo “interactive” to “iterative” as requested)
Decisions should be based on evidence