Median score of the 21 students combined.
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09 Oct 2024, 22:27
Expanding on the table given, the score table will look like follows:
10 Students: 110 - 131 (say Group 1)
11 Students: 129- 170 (say Group 2)
The median of 21 Students will be at the 11th position and arranged in the ascending order: 110 ........129 ... 131 ....170
Determining exact position of 129 is tricky since there is an overlap in the score. Hence I followed the equal non equal strategy:
Idea 1 (Median= 131) : 110 110 110 110 ... (upto 9th) 129 (10th) 131 (11th position- Group 1) ..... 170
Idea 2 (Median= 129) : 110 110 ... (upto 9th) 129(10th from Group 2) 129 (11th position- Group 2) 131 (12th from Group 1) ...... 170
Hence answer would be D