flowilkinson flowilkinson

28-10-2019
Mathematics

contestada

For a set of data
n=100
E(x-20)=125
E(x-20)^2=221

Find mean and standard deviation

Respuesta :

sangeetaranabiru sangeetaranabiru

28-10-2019

Answer:

mean =5/4

Step-by-step explanation:

mean=125/100

mean=5/4

standard deviation I am Abit confused

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