Ms. li, a principal, is interested in the differences in student behavior between two of the third-grade classrooms at her school. she asks the teachers, mr. williams, whose class meets at 9: 00, and ms. walsh, whose class meets at 1: 00, to record over a week the number of times students in their classrooms act out. mr. williams’ class has 31 students, and ms. walsh’s class has 32 students. "acting out" is defined as students speaking without raising their hands or getting out of their seats without being given permission. at the end of the week, mr. williams reports that on average, his students acted out 73 times a day, and ms. walsh reports that, on average, her students acted out 27 times a day. ms. li decides that the students in ms. walsh's classroom act out more often than those in mr. william's class. the results of this study are inconclusive because