Question

30. Commissioner of Regional office Jaipur prepare a table of the marks obtained of 100
students which is given below.
Marks obtained
No. of studnets
0-20
14
20-40
19
40-60
21
60-80
29
80-100
P
He was told that mean marks of a student is 53.
Q. How many students got marks between 80-100?
a)21 b)38 c)17 d)26
Q2. What is the lower limit of model class?
a)20 b) 40
c) 60 d) 80
Q3. What is the value of median marks?
a) 58 b) 62 c) 65 d)72
Q4. What is the upper limit of median class?
a)20 b) 40 c) 60 d) 80
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Answer 1

Answer:

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