Deviation of data 12 13 13 14 15 17 18 18
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Answer:
Given: 13, 17, 16, 14, 11, 13, 10, 16, 11, 18, 12, 19
n = 12
median =
2
6
th
obs+7
th
obs
=
2
13+14
=
2
27
=13.5
mean deviation about median
=
12
(110−13.51+111.13.51+111−13.51+112−13.51+113−13.51+113−13.51+114−13.51+116−13.5+116−13.51+117−13.51+117−13.51+118−13.51)
=
12
3.5+2.5+2.5+1.5+0.5+0.5+0.5+2.5+2.5+3.5+3.5+4.5
=
12
28
=2.23
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