Thursday 12 July 2012
Failure rate in the discrete senser
The failure rate can be defined as the following: The total number of failures within an item population, divided by the total time expende...
Thursday 24 May 2012
Reliability Concepts and Reliability Data
Reliability Concepts and Reliability Data Objectives • Explain basic concerns relating to product reliability. • List some reasons for coll...
Wednesday 23 May 2012
Applications of Auto correlations
One application of autocorrelation is the measurement of optical spectra and the measurement of very-short-duration light pulses produced by...
What is Statistic?
A statistic (singular) is a single measure of some attribute of a sample (e.g. its arithmetic mean value). It is calculated by applying a ...
Monday 21 May 2012
Quantities derived from the survival distribution
Future lifetime at a given time is the time remaining until death, given survival to age . Thus, it is in the present notation. The e...
Hazard function and cumulative hazard function
The hazard function , conventionally denoted , is defined as the event rate at time t conditional on survival until time t or later (t...
Survival analysis
Survival analysis is a branch of statistics which deals with death in biological organisms and failure in mechanical systems. This topic is...
Moment-generating function
In probability theory and statistics, the moment-generating function of a random variable is an alternative specification of its probabili...