marks obtained by 70 students are given below

marks ---- 20 70 90 40 60 50 75

no. of ---- 8 12 5 12 6 18 9

students

FIND THE MEDIAN MARKS.

Marks

xi

No. of students

fi

 

cf

20

70

90

40

60

50

75

8

12

5

12

6

18

9

8

20

25

37

43

61

70

  

 

The cumulative frequency just greater than is 37 and the corresponding value of variable x is 40.

∴ Median = 40

  • -2

40 marks ..r d median marks .

  • 0

plz send the complete answer 

urgent  on 23 of this month i have exam

  • -5

can u post the xact question ??

  • -6
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