The Software Maturity Index (SMI) is defined as Where Mt = the number of…
2013
The Software Maturity Index (SMI) is defined as
Where
Mt = the number of modules in the current release.
Fa = the number of modules in the current release that have been added.
Fc = the number of modules in the current release that have been Changed.
Fd = the number of modules in the current release that have been deleted.
The product begins to stabilize when
- A.
SMI approaches 1
- B.
SMI approaches 0
- C.
SMI approaches −1
- D.
None of the above
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Correct answer: A
The Software Maturity Index (SMI) measures stability by comparing unchanged modules to the total count. As a product stabilizes, the number of added ($F_a$), changed ($F_c$), and deleted ($F_d$) modules decreases toward zero. This causes the numerator to approach $M_t$, making the SMI value approach 1.
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