Question

pick out the correct answer : under exclusive method : (a) The upper class limit of a class is a excluded in the class intervel (b) The upper class limit of a class is included in the class intervel (c) The lower class limit of a class is excluded in the class intervel (d) none of these​

Answer 1

Answer:

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Answer 2

Answer: The option (a) is correct. A series in which upper limit of one class becomes the lower limit of the succeeding class interval is called exclusive series. In such series, the frequencies of the lower limit are included in that particular class whereas the frequencies of the upper limit are excluded.