1.

What is class mark, class size, class interval and class no. in maths​

Answer»

s mark is the AVERAGE of the VALUES of the class limits for a given class.

class \: mark \: = \frac{upper \: limit + lower \: limit}{2}

Class size= Upper limit - lower limit

Class interval is the size of each class into which a range of a VARIABLE is divided, as represented by the divisions of a HISTOGRAM or bar chart.

The class number is a MEASURE of the failure of unique factorization in that ring.


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