A survey was conducted on which brand of cell phone each respondent owns. The options included Alpha​, Beta​, Gamma​, Delta​, Epsilon​, Zeta​, and Mu. The cell phones owned by a sample of 20 respondents are shown below. Epsilon​, Epslion​, Beta​, Alpha​, Zeta​, Gamma​, Beta​, nbsp​, Epsilon​, Zate​, Delta​, Gamma​, Beta​, EPSILON​, Beta​, Mu​, Epsilon​, Beat​, Epsilon​, Beta a. Clean these data and identify any irregularities in the data. b. Are there any missing values in this set of 20​ respondents? Identify the missing values. Question content area bottom Part 1 a. Clean these data and identify any irregularities in the data. Determine the values in the data that contain irregularities. Select all that apply. A. The eighteenth value B. The fifteenth value C. The second value D. The fourteenth value E. The tenth value F. The nineteenth value G. The sixteenth value H. The fifth value Part 2 b. Are there any missing values in this set of 20​ respondents? Identify the missing values. Select all that apply. A. The fourth value B. The eighth value C. The sixteenth value D. The first value E. The seventh value F. The tenth value G. The second value H. There are no missing values.