Weibull (Bathtub) Curve and Extended Warranty
Companies always nag you to buy the extended warranty for everything from teapots to computers. Is it worth it? Not if you know the Weibull (bathtub) curve.
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“Well hi, I’m Jay Arthur, author of “Lean Six Sigma Demystified” and QI Macros [software].
“I don’t know about you, but if you bought anything electronic, they always try and sell you a maintenance agreement on it, even if it’s a $27 electric teapot. Right? It’s like, WHAT?
“If you know anything about the Weibull curve, it’s called a bathtub curve.
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