Question

Given in the table below are marks obtained by 50 students in a class test. From these data, the upper limit of the modal class is
Marks 1-10 10 - 20 20 - 30 30 - 40 40 – 50
Number of Students 3 7 18 13 9
(A) 20 (B) 30 (C) 40 (D) 50 6. ​

Answer 1

Answer:

Here the maximum class frequency is 18 and the class corresponding to this frequency is 20-30 So the modal class is 20-30. Now, Modal class = 20-30 lower limit (/) of modal class = 20. Thus, lower limit (/) of modal class is 30

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