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Median – discrete series 20th ITEM 20th item lies in 23 cf the size of item is 10 or median is 10
CONTINUOUS SERIES - MEDIAN L= lower limit of median class Cf = cumulative frequency of class preceding median class. F = frequency of median class C = class interval of median class
Median class80/2=4040 lies in 140-160 class =140+6.67=146.67
MODE MODE IS THE MOST FREQUENT OBSERVATION INDIVIDUAL SERIES-BY INSPECTION U CAN FIND 11,12,11,13,10 MODE=11 DISCRETE SERIES– ITEM WITH HIGH FREQUENCY VALUE 12 HAS HIGH FREQENCY THEREFORE MODE = 12
MODE- CONTINUOUS SERIES L1 = Lower limit of modal class F1,f2 = frequof classes just preceding and Succeeding modal class C = class interval of modal class
Compute mode Highest frequency is 30 Modal class-20-25 20+2.4 =22.4