Problem 1 Use the information below to answer questions 1 to 5. A sociologist interested in youth culture is conducting a study on students' usage of Twitter. To determine how many times students log in to their accounts, she obtains a sample of 10 students. Students are asked how many times they log in to their account per month. The responses are shown below. Student Number Number of Uses 210 227 183 375 JOUAWN 250 180 270 co 310 210 10 185 According to the sample the sociologist collected, the number of times, on average, that a student accesses his or her Twitter account is Select one: O a. 85. O b. 185. O C. 310. d. 240. O e. 290.Calculating the z-scores for the data above indicates Select one: O a. the existence of outliers since not all z-scores are within +2 and -2. O b. the existence of outliers since not all z-scores are within +3 and -3 O c. the nonexistence of outliers since all z-scores are within +3 and -3. O d. the nonexistence of outliers since all z-scores are within +2 and -2.\fWhich of the following measures would, by definition, have a z-score of zero? Select one: D a. the mode b. the third quartile 1:. the median d. the interquartile range @990 e. the mean