In a grouped frequency distribution, the class intervals are 0-5, 5-10, 10-15, 15
20,... Then the class width is
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Answer:
the class width is 25
Step-by-step explanation:
The highest frequency is 20, which lies in the interval 15–20.
Therefore, the lower limit of modal class is 15.
So, the required sum is 10 + 15 = 25.
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