Question

For the data:
marks obtained
No of students
Below 10
5
Below 20
16
Below 30
28
Below 40
42
Below 50
72
If x is the class mark of the modal class and y is the
upper limit of the median class, then the value of (2x +y) is
​

Answer 1

Answer:

105

Step-by-step explanation:

2x + y

= 2(30) + 45

=60 + 45

=105

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