Jet engine reliability data

Engineers want to assess the reliability of a redesigned compressor case of jet engines. To test the design, the engineers use a machine to throw a single projectile into each compressor case. After the projectile impact, engineers inspect the compressor every twelve hours for failure.

You can use this data to demonstrate Regression with Life Data.

Worksheet column Description
Start The start time of the failure interval, in hours.
End The end time of the failure interval, in hours.
Design The compressor case design: Standard or New.
Weight The weight of each projectile: 5, 7.5, or 10 kg.
New Design The compressor case designs for predicting failures.
New Weight The weight of each projectile for predicting failures.
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