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10 questions from this quiz
Intervals or ranges
There must be no gaps
In this class
Add boundaries, divide by 2
25
Class with highest frequency
(n+1)÷2(n + 1) \div 2(n+1)÷2
∑(f×m)∑f\frac{\sum(f \times m)}{\sum f}∑f∑(f×m)
Difference using class boundaries
Individual values are unknown
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