In an independent random sample of 10 juniors and 10 seniors, the number of minutes spent on social media per day are given by the back-to-back stem-and-leaf plots. Time Spent on Social Media Juniors Seniors 1 11 3 5 8 12 4 13 2 3 6 7 14 5 6 15 6 16 8 17 6 1 18 9 8 4 19 7 7 20 Key: 12|8 = 128 Part A: Describe the shape of each data set Part B: Victor analyzed the data and stated that the better measure of center for the seniors is the mean. Is Victor correct? Explain your reasoning.Part C: Victor decided there are no outliers in the juniors' data set. Is he correct? Justify your answer mathematically.

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