1.

The class size of a distribution is 25 and the first class-interval is 200-224. There are seven class-intervals.(i) Write the class-intervals.(ii) Write the class-marks of each intervals.

Answer» The class size of a distribution is 25 and the first class-interval is 200-224. There are seven class-intervals.



(i) Write the class-intervals.



(ii) Write the class-marks of each intervals.


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