[10 10] The math department provides a free walk-in
Chapter 0, Problem SE.9(choose chapter or problem)
[10 10] The math department provides a free walk-in tutoring service to the students. The dean needs to determine if they should hire more tutors this semester to match the increasing number of students. Last Friday, the tutors marked down the number of students in the tutoring room every hour from 10:00 A.M. to 4:00 P.M. Here is a copy of the table they submitted to the dean: 10:00 11:00 12:00 13:00 14:00 15:00 16:00 13 16 23 20 11 22 19 a. Construct a digidot plot for the preceding data, with the horizontal axis standing for time and the vertical axis listing the number of students in the tutoring room. b. Compute the sample mean and variance for the number of students in the tutoring room.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer