Question

11 In a group of 25 students 7 students failed
and 6 students got distinction and the marks
of remaining 12 students are 61,36,44,59,
52,56,41,37,39,38,41,64. Find the median
marks of the whole group.​

Answer 1

Answer:

41

Step-by-step explanation:

In a given example 6 students got distinction .

Now, distinction is the marks got above 75 out of 100.

1. Therefore questionpaper is of 100 marks. Given: 1: 7 students failed . Therefore 7 students got below 35 marks. 2: 6 students got distinction. Therefore 6 students got above 75 marks. 3: Remaining 12 students got 61,36,44,59,52,56,41,37,39,38,41,64. Now arrange all the data in asending order as fallows. 7 students below 35 marks,36,37,38,39,41,41,44,52,56,59,61,64, 6 students above 75 marks. median=2nd quartile. 2nd quartile= 2×(25+1/2) th observation = 13 th observation =41