Determine the number of bins or classes you need.What is the proper class width for a bin frequency table of this data? The following is the age (in years) of 50 participants from a certain survey. We will go through an example for illustration. The boundaries of each class are called the lower-class limit and the upper-class limit, and the class width is the difference between the lower (or higher) limits of successive classes.Īll classes should have the same width. The frequency of each class is the number of data points it has. The bin frequency table groups values into equal-sized bins or classes and each class includes a range of values. The class width is the difference between the upper or lower class limits of consecutive classes in a bin frequency table. In this topic, we will discuss the class width from the following aspects: “The class width is the difference between the upper or lower class limits of consecutive classes in a bin frequency table”.
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