In the circle graph titled "Percent of Hours in a Day Teenagers Spend on School-Related Activities," the categories that you would expect to be a part of the graph are:
1. Sleep: This category might represent the time teenagers spend sleeping, which is an essential part of their daily routine and impacts their overall well-being and academic performance.
2. Going to Class: This category would likely show the amount of time teenagers spend attending classes, lectures, or other school-related educational activities during a typical day.
3. Talking on the Phone: This category is less likely to be included in the graph as it is not directly related to school activities unless it pertains to school-related communication or study groups.
4. Entertainment: This category may not be directly related to school-related activities and is more associated with leisure time spent on activities such as watching TV, playing video games, or hanging out with friends outside of school commitments.
Therefore, based on the context of the graph title and the nature of the categories mentioned, the categories of Sleep and Going to Class are the most likely ones to be included in the graph representing the percentage of hours teenagers spend on school-related activities in a day.
