Q. 64.5( 124 Votes )
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:
For finding the mode, first we find the modal class i.e. class with maximum frequency
In the given data, Modal class is 40 - 50
and then we use the following formula for finding the mode
l, lower limit of modal class = 40
h, width of modal class = 10
f1, frequency of modal class = 20
f0, frequency of class preceding modal class = 12
f2, frequency of class exceeding modal class = 11
Putting the values, we get
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