: The following are marks obtained by a group of 40 class X students in an English examination:
42 88 37 75 98 93 73 62 96 80
52 76 66 54 73 69 83 62 53 79
69 56 81 75 52 65 49 80 67 59
88 80 44 71 72 87 91 82 89 79
Prepare a frequency distribution and a cumulative frequency distribution for these data using a class interval of 5.
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2
Explanation:
The marks obtained by 40 students of class IX in Mathematics are given below:
81, 55, 68, 79, 85, 43, 29, 68, 54, 73, 47, 35, 72, 64, 95, 44, 50, 77, 64, 35, 79, 52, 45, 54, 70, 83, 62, 64, 72, 92, 84, 76, 63, 43, 54, 38, 73, 68, 52, 54
Prepare a grouped continuous frequency distribution table with class-size of 10 marks.
Lowest = 29, Highest = 95
Marks
Tally
Frequency
20-30
|
1
30-40
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3
40-50
5
50-60
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8
60-70
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8
70-80
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9
80-90
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4
90-100
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2
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0
Answer:
idk
Explanation:
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