Question

Time taken in seconds by 25 students in an examination to solve certain questions is given below:
20, 16, 20, 27, 27, 28, 30, 37, 33, 50, 40, 42, 46, 28, 43, 46, 46, 48, 49, 52, 58, 59, 60, 64, 52
By taking class interval of size 10, make a frequency distribution table. Also, find the range of the above data.​

Answer 1

Answer:

Class interval frequency

0–10 0

10–20. 1

20–30 6

30–40. 3

40–50 8

50–60 5

60–70 2

___________________________

Total 25

Answer 2

Answer:

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Step-by-step explanation:

range of the data: 64-16= 48