90th Percentile in Performance Testing | How to calculate |

June 21, 2023June 1, 2023 by PerfMatrix YouTube Video Link: 90th Percentile in Performance Testing‘Percentile’ – a common but most important term, especially in performance testing. From the day first when we started analysingany performance testing report, we heard about the 90thpercentile. Even our mentor gave more stress on the 90thpercentile figures for response time. So, what is this 90thpercentile exactly?Let’s try to understand with an example. If you had 10 sheep and each sheep eat some KGs of grass on a daily basis. One day you weighed the grass and noted the figures of each sheep’s intake. Refer to the below table:Sheep#S1S2S3S4S5S6S7S8S9S10Grass(kg)33.244.83.62.93.433.83.9Now, you need to find out what amount of grass has been consumed by 90% of sheep. So simply you need to sort the number with respect to consumed grass and ignore the last value.1st2nd3rd4th5th6th7th8th9th10thSheep#S6S1S8S2S7S5S9S10S3S4Grass(kg)2.9333.23.43.63.83.944.8The 90thpercentile value in 10 entries i...