matematykaszkolna.pl
zadanie po ang krystian78: zadanie po angielsku: University students have regularly insisted on freedom of choice when registering for courses. This semester there were seven sections of a particular mathematics course. They were scheduled to meet at various times with a variety of instructors. Sekcja 1 2 3 4 5 6 7 Liczba studentów 18 12 25 23 8 19 14 Table shows the number of students who selected each of the seven sections. Do the data indicate that the students had a preference for certain sections?
21 mar 12:53