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The-following-table-shows-the-distributuons-of-100-families-according-to-their-expenditure-per-week-The-mode-is-given-to-be-24-expenditure-Number-of-families-10-20-x-20-30-27-30-4




Question Number 33822 by mondodotto@gmail.com last updated on 25/Apr/18
The following table shows the  distributuons of 100 families according  to their expenditure per week.  The mode is given to be 24.  ∣((expenditure)/(Number of families))∣((10−20)/x)∣((20−30)/(27))∣((30−40)/y)∣((40−50)/(15))∣  (a) calculate the missing frequency  (b)calculate the mean  (c)calculate the median
Thefollowingtableshowsthedistributuonsof100familiesaccordingtotheirexpenditureperweek.Themodeisgiventobe24.expenditureNumberoffamilies1020x2030273040y405015(a)calculatethemissingfrequency(b)calculatethemean(c)calculatethemedian
Commented by math1967 last updated on 25/Apr/18
There is some error.Here mode is 24  ∴modal class 20−30∴x+y<2×27  but here x+y=100−42=58>2×27
Thereissomeerror.Heremodeis24modalclass2030x+y<2×27butherex+y=10042=58>2×27

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