A student noted the number of cars passing through a spot on a road for 100periods each of 3 minutes and summarized it in the table given below. Find the mode of the data:
Number of cars | 0 - 10 | 10 - 20 | 20 - 30 | 30 - 40 | 40 - 50 | 50 - 60 | 60-70 | 70-80 |
Frequency | 7 | 14 | 13 | 12 | 20 | 11 | 15 | 8 |
As per the question:
Modal class = 40-50
l = 40
h = 10
f1 = 20
f0 = 12
f2 = 11
= 
= 44.70
6