Select all that apply Tansie was preparing a speech about the value of final exams for high school seniors. To gather some statistics, she asked 10 friends in the junior class for their opinion. Six were against final exams, and four supported them. For which three reasons are Tansie's statistics not usable? Multiple select question. She only asked 10 people, which is not a large enough sample. She only spoke with friends, which is not representative of the student body. She only spoke with juniors, which is not representative of the student body. She asked students, who are not qualified to speak about final exams