PLEASE HELP 100 POINTS WILL MARK BRAINLIEST :3 Laila is training for a bike-a-thon. The list below shows the number of miles that Laila rode her bike on each of the nine consecutive days.
Part A: Using the data above, create a box-and-whisker plot on the number line. Be sure to label all of the quartiles (Q1, Q2, Q3).
Part B: Calculate the mean (average) of the given list. Show your work.
Part C: If Laila rides 15 miles on the 10th day, how does that change the mean (average)? Explain your answer.