following are the marks obtained in mathematics by 35 students.66,71,58,81,66,71,48,69,69,66,83,73,83,69,64,48,84,66,58,58,60,64,66,71,84,69,64,73,48,64,69,85,89,80 prepare a frequency distribution table with one of the classes 70-80.
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Answer:
40-50=3
50-60=3
60-70=15
70-80=5
80-90=9
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