Line plot and table displaying data on phone calls made by campers, with a question about data completeness.

Line plot showing the number of phone calls made by Fourth Grade Camp students, with X marks above numbers 2, 3, 4, 5, and 6 on the axis labeled "Number of Phone Calls." Below, a table categorizes students by phone call count: "Less than 4" with 3 students and "More than 4" with 8 students.