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This blogpost explores the statistical complexities of using Mean Time to Resolve (MTTR) as a key incident metric. The author argues that due to the power-law distribution of incident durations, MTTR trends can be misleading.
https://surfingcomplexity.blog/2024/12/01/mttr-when-sample-means-and-power-laws-combine-trouble-follows/
Surfing Complexity MTTR: When sample means and power laws combine, trouble follows Think back on all of the availability-impacting incidents that have occurred in your organization over some decent-sized period, maybe a year or more. Is the majority of the overall availability im…
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