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)

bmplete the relative frequency table below Relative Relative Frequency Frequency Iar (mg) (Nonfiltered) (Filtered) 4-9 10-15 15-21 22-27 28-33 34-19 4045 Simply your answer Frequency Distributions Tar (mg) in Nontered Cigarettes Frequency 16-21 1 22-27 1 28-33 13 34-39 8 10 - 45 2 Tarmo) in Fored Cigarettes Frequency 4-9 10-15 1 15-21 6 22-27 15 Print Done