Ten observations 11,14,19,20,x+3, 2x-7, 35,39,40,45are written in an ascending order the median of the data is 28 find the value of x
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n/2+n/2+1÷2
10/2+10/2+1÷2
5+6÷2=28
x+3+2x-7=28
3x-4=28
3x=28+4
3x=32
x=32/3
x=10.6
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