Question

Calculate medians from the following data:
Item: Frequency:
10 2
20 3
30 8
40 5
50 3




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Answer 1

30

Explanation:

There Are 21 number {N}

So Median Is The Middle Most Number

10+1+10

so our middle most number's place will be 11th

ITEM F C.F.

10. 2. 2

20. 3. 5 (2+3)

30. 8. 13 (5+8)

40. 5. 18. (13+5)

50. 3. 21 (18+3)

so basically our 11 th Number lies in the ITEM 30

that's why the median is 30

³⁰.