find the mean , median and mode of the following data . 7,7,2,5,7,3,4,1,7,8,4,5
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find the mean , median and mode of the following data . 7,7,2,5,7,3,4,1,7,8,4,5
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Answer:
mean=5,median =5 and mode=7
Step-by-step explanation:
FIRST ARRANGE IN ASCENDING ORDER,
1,2,3,4,4,5,5,7,7,7,7,8
WE KNOW THAT MEAN=
SUM OF ALL THE OBSERVATIONS/TOTAL NUMBER OF OBSERVATIONS
SO, HERE =1+2+3+4+4+5+5+7+7+7+7+8/12
MEAN=5
MEADIAN = MIDDLE TERM OF OBSERVATION.
HERE TWO MIDDLE TERMS ARE THERE
1St=5 AND 2ND =5
HENCE, MEDIAN= 5+5/2
=10/2 OR 5.
AND, MODE = TERM WHOSE FREQUENCY IS HIGHEST
HERE, IT IS 7.
PLZ MARK IT AS BRAINLIST...........