From the following frequency distribution table, prepare 'less than' and 'more than' cumulative frequency distribution table.
Class (Mark obtained) Number of student
0-20 7
20-40 12
40-60 13
60-80 8
80-100 10
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manshi41:
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Prepare a frequency distribution table by exclusive method from the marks of 30 students given below (Take first class as 0-10):
10 12 5 70 65 24 39 46 40 60
82 40 60 74 26 67 17 54 15 49
50 33 27 11 04 19 60 40 72 20
10 12 5 70 65 24 39 46 40 60
82 40 60 74 26 67 17 54 15 49
50 33 27 11 04 19 60 40 72 20
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12
Less than 'Cumulative Frequency Distribution Table'-
• Less than 20= 7
• Less than 40= 12+7= 19
• Less than 60= 19+13= 32
• Less than 80= 32+8= 40
• Less than 100= 40+10= 50
More than 'Cumulative Frequency Distribution Table'-
• More than 0= 50
• More than 20= 50-7= 43
• More than 40= 50- (7+12)= 31
• More than 60= 50- (7+12+13)= 18
• More than 80= 50- (7+12+13+8)= 10
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