Question

the difference of lower limits of two succeeding classes is called ​

Answer 1

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• The difference of lower limits of two succeding class is called Class interval.

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Answer 2

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• The difference between the upper and lower limit of a class interval is called the of the class interval.

• Class interval = Upper limit - Lower limit

• The end of a class interval is called class limits.

• The middle of a class interval is called class mark.

• Class intervals are generally equal.

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Note : An example of class interval is attached in the given image.