treymkop
contestada

sheral got theses socres on her spelling test

95,89,99,85,82

what is the mean of absolute devitationof her test scores

Respuesta :

all you do is add up all test scores then divide by number of tests, so you get 450/5, and thats an average of 90%
Soph212
Add them all together and then divide the sum by 5 and you get the answer

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