A referee is standing on the side of the athletic track and kept a
stopwatch, which is used to find the time that it took a group of students to run 200 m.
In different time intervals, different number of students completed the race are given in the table as shown below
Time in seconds 0 – 50 ; 50 – 100 ; 100 – 150 ; 150 - 200
Number of students 10 15 7 8.
1) Find the mode of the given data
(a) 59.62 (b) 58.30 (c) 58.50 (d) 59.98
2) Find the lower limit of median class
(a) 25 (b) 75 (c) 100 (d) 50
3) Find the number of students, who have finished the race after 100 s.
(a) 14 (b) 15 (c) 30 (d) 25
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Answer:
58.30 , 50 , 15
these are correct answers
3. ans is 15
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