You collect data on how many text messages college students send per day. You find that the sample mean M = 150, and standard deviation s = 20. Based on these results, answer questions 19-21: 19. If you decide to transform the data from the number of text messages sent per day to per week, what will be the value of the mean and standard deviation reported this way? [ Select ] 20. Consider the following data points: Person A sends 130 texts per day, Person B sends 210 texts per day, and Person C sends 75 texts per day. Which of them would be considered extreme, relative to the mean? [ Select ] 21. You collect data on how many texts college professors send per day. You find that the sample mean is the same as for college students (M = 150), but that the standard deviation is almost twice as high (s = 35). If the people mentioned in question #20 were college professors, which of them would be considered extreme, relative to the mean for professors? [ Select ]