Question

state the method of determine number of classes on the basis of range of data of class length​

Answer 1

Answer:

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Answer 2

Following is a method to determine the number of classes on the basis of the range of data of class length​:

Explanation:

• Firstly, make a decision on the number of classes to be employed.  

• Then, establish the range, that is, the difference in values of the highest and lowest observations in the given data.  

• Now, divide the obtained range by the number of classes to determine the approximate size of the interval or class length.