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in a batch of 21 students 8 students were failed. the marks obtained by the successful students were 5,4,8,7,8,6,4,5,9,7,8,5 and 6 respectively. find out median marks of all 21 students
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in a batch of 21 students 8 students were failed. the marks obtained b...
To find the median marks of all 21 students, we need to first arrange the marks in ascending order.
The marks obtained by the successful students are: 4, 4, 5, 5, 5, 6, 6, 7, 7, 8, 8, 8, 9.
Now, we need to incorporate the failed students' marks into this list. Since there are 8 failed students, we can add 8 zeros to the list.
The complete list of marks for all 21 students is: 4, 4, 5, 5, 5, 6, 6, 7, 7, 8, 8, 8, 9, 0, 0, 0, 0, 0, 0, 0, 0.
To find the median, we need to find the middle value of the list. Since there are 21 students, the middle value would be the 11th value.
The 11th value in the list is 8.
Therefore, the median marks of all 21 students is 8.
The marks obtained by the successful students are: 4, 4, 5, 5, 5, 6, 6, 7, 7, 8, 8, 8, 9.
Now, we need to incorporate the failed students' marks into this list. Since there are 8 failed students, we can add 8 zeros to the list.
The complete list of marks for all 21 students is: 4, 4, 5, 5, 5, 6, 6, 7, 7, 8, 8, 8, 9, 0, 0, 0, 0, 0, 0, 0, 0.
To find the median, we need to find the middle value of the list. Since there are 21 students, the middle value would be the 11th value.
The 11th value in the list is 8.
Therefore, the median marks of all 21 students is 8.
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in a batch of 21 students 8 students were failed. the marks obtained by the successful students were 5,4,8,7,8,6,4,5,9,7,8,5 and 6 respectively. find out median marks of all 21 students Related: Quartile Deviation - Measures of Dispersion, Business Mathematics & Statistics?
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