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 redue 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 (Nonfiltered) Frequency Tar (mg) (Filtered) 3-7 % % 8- 12 % % 13-17 % % O Frequency Distributions 18 - 22 % % 23 - 27 % 28 - 32 % Tar (mg) in Filtered Cigarettes Frequency 3-7 8- 12 13-17 Tar (mg) in Nonfiltered 33 - 37 % % Cigarettes Frequency 13 - 17 18 - 22 23 - 27 (Simplify your answers.) 2 1 13 5 28 - 32 6. 18 -22 18 33 - 37 Print Done

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A:

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