Ten observations 6,14,15,x+1,2x-13,30,32,34,43 are written in an ascending order. the median of the data is 24. also find their mean
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Add the unknown quantities,
(x+1 +2x- 13)/ 2 = 24
x+1+2x-13 = 24*2
x+1+2x-13 = 48
3x-12 = 48
3x = 48+12
3x = 60
x = 60/3
so, x = 20
Add the unknown quantities,
(x+1 +2x- 13)/ 2 = 24
x+1+2x-13 = 24*2
x+1+2x-13 = 48
3x-12 = 48
3x = 48+12
3x = 60
x = 60/3
so, x = 20
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