Decile Formula For Grouped Data

Decil

Decile Formula for Grouped Data

Information :

Be = Bottom of Edge

F_i = Sum frequency earlier ith percentile data

f_i = frequency of the ith percentile data

c = Class Length

D_i = decile ith

i = 1,2, ... ,9

Example :

Please cause upwardly one's postulate heed the fifth decile from the information below !

Answer :

n = 8 + x + xiii + 17 + fourteen + xi + vii = 80

the place of the fifth decile = Location information : (5(80 + 1)/10)

the place of the fifth decile = Location information : (5(81)/10)

the place of the fifth decile = Location information : (5(81)/10)

the place of the fifth decile = Location information : (405/10)

the place of the fifth decile = Location information : 40,5

So the frequency of fifth decile = 17

f₅ = 17

Be = 45 - 0,5 = 44.5

F₅ = 8 + x + xiii = 31

c = 35 - thirty = 5

So the fifth decil from the higher upwardly tabular array is 47.15.

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Reference :

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