QA Fundamentals · Middle · Question 44 of 75
Why are percentiles like p95 preferred over the average response time?
- 1Averages hide slow requests that many users still feel
- 2Percentiles are always lower, so results look better
- 3Averages can't be calculated for HTTP requests
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Correct answer: Averages hide slow requests that many users still feel
Explanation
An average of 200 ms can hide 5% of requests taking 4 seconds. p95 says 95% of requests were at least that fast, which reflects real experience better.