The following data find the number class interval of class length is g...
Explanation on the Number of Class Interval with Class Length of 5
Class interval refers to the range of values that are grouped together in a frequency distribution table. It is important to determine the appropriate number of class intervals for a given set of data to ensure that the frequency distribution table is meaningful and useful. In this case, the class length is given as 5. This means that each class interval will have a range of 5 units.
Determining the Number of Class Intervals
To determine the number of class intervals, we need to consider the range of values in the given data set. The range refers to the difference between the highest and lowest values in the data set. We can then use the following formula to determine the number of class intervals:
Number of class intervals = Range / Class length
For example, if the range of values in a data set is 50 and the class length is 5, the number of class intervals would be:
Number of class intervals = 50 / 5 = 10
This means that there would be 10 class intervals, each with a range of 5 units.
Importance of Choosing the Right Number of Class Intervals
Choosing the right number of class intervals is important to ensure that the frequency distribution table provides a clear and accurate representation of the data. If there are too few class intervals, the table may not provide enough detail to be useful. On the other hand, if there are too many class intervals, the table may be too detailed and difficult to interpret.
It is also important to ensure that the class intervals are of equal size. This allows for easy comparison between different intervals and ensures that the table is visually appealing and easy to read.
Conclusion
In summary, the number of class intervals with a class length of 5 can be determined by dividing the range of values in the data set by the class length. It is important to choose the right number of class intervals to ensure that the frequency distribution table is meaningful and useful. Equal-sized intervals are also important for easy comparison and visual appeal.