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igarettes Do the cigarette filters appear to be effective Hint The filters reduce the amount...

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igarettes Do the cigarette filters appear to be effective Hint The filters reduce the amount of tar ingested by the smoker Click the icon to view the frequency distributions Complete the relative frequency table below Relative Frequency Filtered 1 Relative Frequency Tar mg Nonfiltered 3 7 1 8 12 13 17 18 22 23 27 28 32 33 37 Simplify your answers Do cigarette filters appear to be effective OA Yes because the relative frequency of the higher tar classes is greater for nonfiltered cigarettes OB No because the relative frequency of the higher tar classes is greater for filtered cigarettes OC No because the relative frequencies for each are not substantially different OD This cannot be determined Frequency Distributions Tar mg in Nonfiltered XLE Cigarettes Frequency 13 17 2 18 22 1 23 27 15 28 32 6 33 37 1 Tar mg in Filtered Cigarettes Frequency 3 7 1 8 12 3 13 17 6 18 22 15 D X

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