Calculations for Crow-AMSAA Growth

Failure Rate

Grouped Data

MTBF

Cumulative Failures

Non-grouped Data

Time-Terminated

The parameters λ and ß are estimated using the following equations:

where, the unbiased ß estimate is .

Where,

Failure-Terminated

The parameters λ and ß are estimated using the following equations:

, where, the unbiased ß estimate is .

Where,

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