Posted by meena on Wednesday, March 21, 2012 at 12:11pm.
in a batch of 15 students failed in a test. the marks of 10 who have passed were 9,6,7,8,8,9,6,5,4,7.find the median of all 15 students.

statistics  PsyDAG, Wednesday, March 21, 2012 at 12:40pm
It would help if you proofread your questions before you posted them. With 10 scores listed, I assume 5 failed.
The five who have failed must have scores below the lowest passing score. Arrange in order of value.
x,x,x,x,x,4,5,6,6,7,7,8,8,9,9.
If you are not evaluating within the interval, the median = 6
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