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how to convert a cumulative frequency table into frequency distribution table
pls explain with an exanmple
Asked by Sanmit Ratnaparkhi | 02 Sep, 2014, 08:57: PM
answered-by-expert Expert Answer
C o n s i d e r space t h e space f o l l o w i n g space e x a m p l e : W e e k l y space w a g e s space left parenthesis i n space R s right parenthesis : space 110 minus 120 space space space 120 minus 130 space space 130 minus 140 space space space 140 minus 150 space space space 150 minus 160 space space 160 minus 170 space space 170 minus 180 space space 180 minus 190 space space 190 minus 200 c u m u l a t i v e space f r e q u e n c y : space space space space space space space 6 space space space space space space space space space space space space space space space space space space 31 space space space space space space space space space space space space 79 space space space space space space space space space space space space space space space space space space 151 space space space space space space space space space space space space 267 space space space space space space space space space space space 327 space space space space space space space space space space space space space 365 space space space space space space space space space 387 space space space space space space space space space space space 390 T h u s comma space t r a n s f o r m i n g space t h e space a b o v e space c u m u l a t i v e space f r e q u e n c y space d i s t r i b u t i o n space i n space t o space d i s t r i b u t i o n space t a b l e space a s space f o l l o w s : space space table row cell W a g e s space g r o u p end cell cell C u m u l a t i v e space f r e q u e n c y end cell cell F r e q u e n c y end cell row cell 110 minus 120 end cell 6 cell 6 minus 0 equals 6 end cell row cell 120 minus 130 end cell 31 cell 31 minus 6 equals 25 end cell row cell 130 minus 140 end cell 79 cell 79 minus 31 equals 48 end cell row cell 140 minus 150 end cell 151 cell 151 minus 79 equals 72 end cell row cell 150 minus 160 end cell 267 cell 267 minus 151 equals 116 end cell row cell 160 minus 170 end cell 327 cell 327 minus 267 equals 60 end cell row cell 170 minus 180 end cell 365 cell 365 minus 327 equals 38 end cell row cell 180 minus 190 end cell 387 cell 387 minus 365 equals 22 end cell row cell 190 minus 200 end cell 390 cell 390 minus 387 equals 3 end cell end table space space space space space space space space space space
Answered by Vimala Ramamurthy | 03 Sep, 2014, 10:01: AM

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