The question is attached in the photo below, all 4 parts are important. thank you

A questionnaire was distributed to a sample of 30 respondents in each city for City 1. City 2 and City 3. asking respondents' level of support of gun control. Each respondent was asked to circle one of the numbers ranging from 1 to 5. where 1 indicates 'strongly support"; 2. \"somewhat support\"; 3, \"neither support nor not support"; 4, \"somewhat not support"; and 5. \"strongly not support'. The answers (data) are listed below for all respondents in the three cities: Individual Ci 1 Ci CM 3 N 3m-roacnawnd 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 (ll-IM-hHUICO-bmt-l-I-hmmmmdddmumtmdmmd'z ubbm-hm-lmbm-h-h-UMUI-lhwwhwdmmwthhmhh)': thmwmmhme-'NlhAMh-hN-F-w-mew-F-'h-N Table A1-1: Data on \"support on gun control\" for respondents in three cities. Source: Constructed by Eva Xiaoling Li Please complete the following: 1. Construct a frequency distribution table for City 1, City 2, and City 3. 2. Calculate the median. mean. variance. and standard deviation for data in City 1, City 2 and City 3. and please show procedures of each calculation. 3. Compare data in City 1, City 2 and City 3 based on Step 2. and explain the differences. 4. Plot each distribution as a frequency polygon