Question

4. Find the mode of the following frequency distribution:
Marks 0 - 10 10 - 2020 - 30 30 – 40 40 - 50
Number of students 4 10 28 36 50
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Answer 1

Step-by-step explanation:

xk= lower limit of the modal class

fk= frequency of the modal class

fk-1= frequency of the class preceding the modal class

fk+1= frequency of the class succeeding the modal class

h = width of the class interval