UPSKILL MATH PLUS

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Answer variants:
67
55
70
45
32
Observe at the graph and complete the tabular column.
 
1276_15.svg
 
Class intervals
\(10\) - \(20\)
\(20\) - \(30\)
\(30\) - \(40\)
\(40\) - \(50\)
\(50\) - \(60\)
Frequency