Tar (mg) in Nonfiltered Cigarettes Frequency Tar (mg) in Filtered Cigarettes Frequency 12-15 2 4-7 3 16-19 0 8-11 2 20-23 13 12-15 5 24-27 6 16-19 15 28-31 4 Construct one table that includes relative frequencies based on the frequency distributions shown below, then compare the amounts of tar in nonfiltered and filtered cigarettes. Do the cigarette filters appear to be effective? (Hint: The filters reduce the amount of tar ingested by the smoker.) LOADING... Click the icon to view the frequency distributions. Question content area bottom Part 1 Complete the following relative frequency table. (Round to the nearest percent as needed.) Tar (mg) Relative Frequency (Nonfiltered) Relative Frequency (Filtered) 4minus7 enter your response here% enter your response here% 8minus11 enter your response here% enter your response here% 12minus15 enter your response here% enter your response here% 16minus19 enter your response here% enter your response here% 20minus23 enter your response here% enter your response here% 24minus27 enter your response here% enter your response here% 28minus31 enter your response here%