Question

Find the median class of the following data :
Marks obtained Frequency
0-10 4
10-20 4
20-30 8
30-40 10
40-50 12
50-60 8
60-70 4​

Answer 1

Answer:

median class is 30-40

Step-by-step explanation:

1. calculate the cumulative frequency frequency from the given frequency.
2. calculate total no. of observation N.
3. N= 50
4. median class = (N/2)th item