Question

The median of the following distribution is 35. find the value of x.
c.i. f
0-10 2
10-20 3
20-30. x
30-40. 6
40-50. 5
50-60. 3
60-70. 2​

Answer 1

Answer:

c.i. f

0-10. 2

10-20. 3

20-30. x

30-40. 6

40-50. 5

50-60. 3

60-70. 2

total=21+x

median formula= 35=21+x

x=35-21

x=14

Step-by-step explanation:

answer is : x=14

Answer 2

Answer:

35=20+(21+x/2 -5)/x ×10

3x=21+x-10

2x =11

x=5.5