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. |