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OpenStudy (anonymous):
What is the mean of the following data without the outlier? 20, 25, 30, 3
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OpenStudy (anonymous):
19.5 25 18.75 20
OpenStudy (anonymous):
this time you dont have to sort :)
OpenStudy (anonymous):
ya hahahaha
OpenStudy (anonymous):
add up all the numbers in the set and divide by how many members are in the set :) can you do that?
OpenStudy (anonymous):
ya thx
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OpenStudy (anonymous):
(20+ 25+ 30+ 3 )/4
OpenStudy (anonymous):
so its 18.75?
OpenStudy (anonymous):
19.5 :(
OpenStudy (anonymous):
oh :(
OpenStudy (anonymous):
(20+ 25+ 30+ 3 )/4= 78/4= do parenthesis first 19.5 divide by 4
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