USH Financial is examining the use of its midtown ATM machine. The numbers of transactions made per day at this ATM during the past 20 days are as follows. 54, 56, 61, 64, 67, 69, 72, 72, 72, 74, 76, 77, 78, 78, 84, 84, 87, 89, 92, 98 Send data to calculator Frequency 8 8. 6- 4 4 4 - 50 60 70 80 90 100 Number of transactionsMean (a) Which measures of central tendency do Median not exist for this data set? Choose all that Mode apply. ONone of these measures (b) Suppose that the measurement 54 (the O Mean smallest measurement in the data set) were O Median replaced by 10. Which measures of central tendency would be affected by the change? Mode Choose all that apply. ONone of these measures (c) Suppose that, starting with the original Mean data set, the largest measurement were O Median removed. Which measures of central tendency would be changed from those of O Mode the original data set? Choose all that apply. ONone of these measures (d) Which of the following best describes the O Negatively skewed distribution of the original data? Choose only | O Positively skewed one. O Roughly symmetrical