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The rule of thumb for creating a frequency distribution is to divide the data into 5-15 classes. While larger numbers of classes allow for larger data sets, how do you know exactlyhow many classes to use

Question:

The rule of thumb for creating a frequency distribution is to divide the data into 5-15 classes. While larger numbers of classes allow for larger data sets, how do you know exactlyhow many classes to use

A.

if in doubt about the number of classes, select 10 since it is the midpoint between 5 and 15 classes

B.

select the number of classes that provides definition to the shape of the data

C.

determine the width of the class interval, then calculate the number of classes

D.

any number of classes between 5 and 15 is sufficient

Answer» b. select the number of classes that provides definition to the shape of the data

Note: The above multiple-choice question is for all general and Competitive Exams in India