a Problem #1 A college professor assigned an online final review problem set of 30 problems to his students. For each problem, he recorded the number of students who tried to solve that problem. He organized the data in the following grouped frequency distribution table: Midpoint Variable 0-5 6-11 12-17 18-23 24-29 Frequency 4 12 10 2 2 For this scenario, identify the following: (5 points)