There are 2n observations whose range is 3. Further one half of its observations are equal to 5 and other half of observations all are equal. The values of each of these observations can be
A
2
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B
5
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C
4
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D
3
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Solution
The correct option is A 2 Lettheunknownobservationsbek,k,k,...(nisnumber).Then|5−k|=3(∴rangeis3)K=2OR8∴requiredvalueis2.