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प्रश्न
Find the median of 17, 23, 36, 12, 18, 23, 40 and 20
योग
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उत्तर
Arranging in ascending order, we get
12, 17, 18, 20, 23, 23, 36, 40
Here, number of terms = 8 which is even
∴ Median = `1/2 {"n"/2 "th term"+("n"/2 + 1)"th"}`
`= 1/2 {8/2"th term" + (8/2 + 1)"th term"}`
`= 1/2 {4 "th term" + 5 "th term"}`
`= 1/2 {20 +23}`
`= 1/2 xx 43 = 21.5`
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