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Q. |
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 exactly how 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 |
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