Question

100m RACE
A stopwatch was used to find the time that it took a group of students to run 100 m.


TIME(in sec)
0-20
20-40
40-60
60-80
80-100

NO. OF STUDENTS
8
10
13
6
3


What is the class mark of the class having maximum students?
45
55
50
60
What will be the upper limit of the modal class ?
20
40
60
80
The construction of cumulative frequency table is useful in determining the:
Mean
Median
Mode
All of the above
The sum of lower limits of median class and modal class is:
60
100
80
140
How many students finished the race within 1 minute?
18
37
31
8​

Answer 1

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Step-by-step explanation:

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