Question

The following data : 2.5, 15, 25. 20. 12. 8, 7. 6. 16. 21.
17. 30. 32, 23, 40.51. 15, 2, 9, 57, 19.25 is grouped in
the classes 0-5, 5-10, 10-15 etc. Find the frequency of
the class 20-25.
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Answer 1

Step-by-step explanation:

10....................