22. The following table gives the marks obtained by 50 students in a
class test:
Marks 11-15 16-20 21-25 26-30 31-35 36-40 41-45 46-50
Number of
23 | 67 | 14 | 12
2
1 4 1 2
students
Calculate the mean, median and mode for the above data.
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Answer:
36,45,12,23,23,45,56,78
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