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30. The median of set of 9 distinct observations is 20.5. If each of the largest 4 observations of the set is increased by 2, then the median of the new set (a) is increased by 2 (b) is decreased by 2 (c) is two times of the original number (d) Remains the same as that of the original set.

30. The median of set of 9 distinct observations is 20.5. If each of the largest 4 observations of the set is increased by 2, then the median of the new set
(a) is increased by 2
(b) is decreased by 2
(c) is two times of the original number
(d) Remains the same as that of the original set.

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 8741 Points
3 months ago
Answer: d Explaination: (d) No. of observations = 9 ∴ median = 5th observation ∵ The largest four observations are increased ∴ 5th observation remains unchanged.

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