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Marks \( \quad \) I Less than I Less than I Less than \( | \) Less than \( | \) Less than \( | \) Less than \( | \) Less than Number of 14 students

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Similar Questions
Q1
Marks Obtained No. of students
Less than 90 10
Less than 110 17
Less than 130 20
Less than 150 32
Less than 160 40
Less than 175 46
Less than 180 50
how many students got marks between 175-180 ?
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Q2
Compute the median for each of the following data:

(i)
Marks No. of students
Less than 10
Less than 30
Less than 50
Less than 70
Less than 90
Less than 110
Less than 130
Less than 150
0
10
25
43
65
87
96
100

(ii)
Marks No. of students
More than 150
More than 140
More than 130
More than 120
More than 110
More than 100
More than 90
More than 80
0
12
27
60
105
124
141
150
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Q3
Construct a frequency table from the following data:
Marks No. of students
less than 10 6
less than 20 15
less than 30 30
less than 40 39
less than 50 53
less than 60 70


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Q4

For the following distribution draw a 'less than type' ogive and from the curve find the median.

Marks obtained Less than 20 Less than 30 Less than 40 Less than 50 Less than 60 Less than 70 Less than 80 Less than 90 Less than 100
Number of students 2 7 17 40 60 82 85 90 100
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Q5
​The following table shows the marks scored by 80 students in an examination:
Marks Less than 5 Less than 10 Less than 15 Less than 20 Less than 25 Less than 30 Less than 35 Less than 40
Number of students 3 10 25 49 65 73 78 80

Calculate the mean marks correct to 2 decimal places.
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