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plzzzzzz give the answer very fasttttttttt

plźzozzzzzz because tomoorow us my exam

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total no. of observation=6 which is even

let n=6

median=n/2th +n/2+1th/2

=6/2th+6/2+1th/2

=3th+4th/2

since,third & fourth observation are:x-2 & x

so,x-2+x/2=16

2x-2/2=16

by cross multiplication ;

2x-2=32

2x=34

x=17

now,third observation=x-2=17-2=15

fourth observation=x=17

mean=6+7+15+17+17+20/6

=82/6=13.66(approx)