The median of a set of nine distinct observations is 20.5. If each of the last four observations of the set is increased by 2, then the median of the

Question

The median of a set of nine distinct observations is 20.5. If each of the last four observations of the set is increased by 2, then the median of the

The median of a set of nine distinct observations is 20.5. If each of the last four observations of the set is increased by 2, then the median of the new set is
A. Is increased by 2
B. In decreased by 2
C. Is two times the original median
D. Remains the same as that of the original set

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - D
Since n=9, median term`=((9+1)/(2))^(th)`=5th term.
Now, the last four observations are increased by 2. Since the median is the 5th observation, which remains unchanged, there will be no change in median.

4 views Answered 2023-02-05 15:29