Julie is writing a persuasive essay. She’s arguing that all schools should require students to read for 15 minutes each day. After doing some research, she finds out that students who read for 15 minutes each day during the school year will read the equivalent of 36 whole school days. A student who reads for only 5 minutes a day will read for only 12 additional school days.
Which type of supporting detail is Julie using as her main support?

A.
anecdotes
B.
statistics
C.
rhetorical questions
D.
expert testimonies