* In a statistics context: "The researcher divided the data into class intervals of 10 years to analyze the age distribution of the participants."
* In a data visualization context: "The histogram uses class intervals to represent the frequency of data points within specific ranges."
* In a general context: "The teacher explained that the class interval for the test scores would be 5 points, meaning scores between 85 and 90 would be grouped together."
Remember, "class interval" refers to a range or grouping of data points used for organizing and analyzing data.