The Phase of the Systems Development Life Cycle Where the Need

question 81

Multiple Choice

The phase of the systems development life cycle where the need for a new system is identified and the scope is determined is called:

• A)systems identification.
• B)scope determination.
• C)initiation phase.
• D)systems planning.

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Definitions:

Alpha Level

The probability threshold that determines the critical value for rejecting the null hypothesis in hypothesis testing, commonly set at 0.05 or 5%.

Rejection Region

In hypothesis testing, the range of values for which the null hypothesis is considered unlikely and thus rejected.

Level Of Significance

A threshold in hypothesis testing that determines the probability at which the null hypothesis is rejected, commonly denoted by alpha (α).

Null Hypothesis

A statement of no effect or no difference, tested against an alternative hypothesis in statistical analysis.