Question

What are frequencies of the class intervals?

Answer 1

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Answer 2

Answer:

The frequency of a class interval is the number of observations that occur in a particular predefined interval. So, for example, if 20 people aged 5 to 9 appear in our study's data, the frequency for the 5–9 interval is 20. The endpoints of a class interval are the lowest and highest values that a variable can take