the weight (in kgs) of 11 students of class 7 (in april, 2015) is 42, 52, 48, 52, 55, 58, 53, 54, 46, 49, 57
in July 2015, one student of weight 58kgs left the school and a new student of weight 68kgs joined the class.
find the new meridian?
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52 IS THE ANSWER
THE SEQUENCE IS 42,46,48,49,52,52,53,54,55,57,58
WHICH MAKES MEDIAN =((N+1)÷2)TH TERM
WHICH IS 52
AFTER CHANGING WEIGHT FROM 58 TO 68
THE NEW SEQUENCE WILL BE 42,46,48,49,52,52,53,54,55,57,68
WHICH MAKES MEDIAN =((N+1)÷2)TH TERM
WHICH IS 52
I THINK THE QUESTION MUST BE ABOUT MEAN.
CHECK AND ASK AGAIN.
THANK YOU
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