Tim is working on a school project exploring the amount of time his classmates spend doing homework. He selects a random sample of 20 students in his class and asks them this question, About how many hours do you spend on homework each day? Their responses are recorded in the table. 1.25 2.25 2 1 1.25 3.5 2.25 0.75 2.75 1.75 0.5 0.75 1.75 0.75 0.5 2.5 1.75 2 3.25 3 What is the sample mean? What proportion of students in the sample spend less than 2 hours each day on homework?​ Select the correct answer from each drop-down menu.​