Which of the following is/are most likely to have statistical significance? Check all that apply.

A)
A teacher discovers that 6 out of her 7 classes performed better on a test while listening to softly-played classical music.

B)
99 out of 100 people surveyed while shopping on Christmas Eve agreed that they would purchase more items at a store if they had a coupon.

C)
Over the course of 5 years, a high school athletic director tracked attendance at basketball games and discovered that every year, attendance at Thursday night games was 30% to 40% higher than attendance at Tuesday night games, no matter who was the opponent.

D)
A psychologist performed an experiment with 300 males aged 15-18 and determined that 65% of the subjects were susceptible to peer pressure. He repeated the experiment 5 times and found similar results.

E)
A psychology student observed mothers and their children at a playground in an open community park every day for a week. She discovered that the children were more likely to play with each other if their mothers were friendly to each other. She repeated this observation a month later and found similar results.

What are your choices?