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0 votes
2.4k views
in Mathematics by (75.1k points)

The range of set of 15 observations is 0 then its variance is ________

(a) 8.25

(b) √15

(c) 2.85

(d) 0

1 Answer

+1 vote
by (70.5k points)
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Best answer

The correct option  (d) 0  

Explanation:

range of observation = 0

∴ R = 0

∴ S = Standard deviation = 0

∴ variance = S2 = 0. 

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