Suppose you wanted to collect data to make a stacked column graph of ages of students at College A and College B, as shown below. (NOTE: The sections are drawn to show how you will fill them in, but you do not yet know how big each section is.) In order to gather data, choose the option that best describes how a study should be conducted to efficiently gather accurate data and to minimize bias. Question 7 options: Survey a random sample of 100 students from College A and a random sample of 100 students from College B. Ask them how long they have been in college. Survey a random sample of 100 students from College A and a random sample of 100 students from College B. Tell them, "The college president thinks that it is better to have more older students at this college. How old are you?" Go to the math building at each college one night, and survey 100 students from College A and a 100 students from College B. Ask them how many children they have. Hand out surveys to every player on the football and soccer teams at each college as they arrive at practice