emilzabojnik emilzabojnik

20-05-2021
Mathematics

contestada

HELP NEEDED PLEASE!! WILL GIVE BRAINIEST
Find the mean absolute deviation of the following numbers:

12, 15, 17, 18, 15, 20, 22

Respuesta :

elaineandrei93 elaineandrei93

20-05-2021

Answer:

18/7

Step-by-step explanation:

Note that the mean of the data is equal to (12+15+17+18+15+20+22)/7, which is 17. For each value in the data set, we then find the distance from the mean:

|12-17|=5
|15-17|=2
|17-17|=0
|18-17|=1
|15-17|=2
|20-17|=3
|22-17|=5

To find the mean absolute deviation, average these distances to get 18/7.

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