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.) E Click the icon to view the frequency distributions. Complete the relative frequency table below. Relative Relative Frequency Distributions Frequency Tar (mg) (Nonfiltered) % Frequency (Filtered) 5-8 % 9- 12 Tar (mg) in Filtered Cigarettes Frequency 5-8 9- 12 Tar (mg) in Nonfiltered 13 - 16 % % Cigarettes Frequency 13 - 16 17 - 20 % % 1 21 - 24 % 17 - 20 21 - 24 2 2 13 13 - 16 26 25 - 28 17 - 20 13 Enter your answer in the edit fields and then click Check 29 - 32

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