Question

For the given data, the mean is
C.I frequency
0-9 8
10-19 15
20-29 29
30-39 45
40-49 12

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Answer 1

Answer:

The range of the data : 25, 18, 20, 22, 16, 6, 17, 15, 12, 30, 32, 10, 19, 8, 11, 20 is. (A) 10. (B) 15. (C) 18. (D) 26. 3. In a frequency