Q. 4 A5.0( 1 Vote )

Find the mean, median and mode for the following frequency table:


Answer :

GIVEN:


FORMULA USED:


Mean =


Median =


Mode = Maximum number of terms



For Mean:


Mean =


∑xf = 50 + 240 + 350 + 450 + 370 + 220


= 1680


∑f = 5 + 12 + 14 + 15 + 10 + 4


= 60


Mean = = 28


For Median


Total frequency (N) = ∑f = 60


N/2 = = 30


Which lies in commutative frequency 31


Which is having value of x to be 25


Median = 25


For Mode


Maximum number of terms(f) in above table is 15


15 terms are of value 30


Mode = 30


CONCLUSION: The data is having Mean to be 28


Mode to be 30


Median to be 25


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