Question

2.1.19 18 Question Help 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.) Click the icon to view the frequency distributions. i Frequency Distributions Complete the relative frequency table below. Relative Relative Frequency Frequency Tar (mg) (Nonfiltered) (Filtered) 4-9 % 10-15 16 - 21 22-27 28-33 34 - 39 40-45 (Simplify your answers.) Frequency Frequency Tar (mg) in Nonfiltered Cigarettes 16-21 22-27 28-33 34 - 39 40 - 45 Tar (mg) in Filtered Cigarettes 4-9 10 - 15 16-21 22-27 wvca Enter your answer in the edit fields and then click Check Answer. Print Print Done Done part Clear All Check Answer remaining O Type here to search 9 S Ne 12:45 PM 8/31/2019

Answer 1

Tar(mg)	Relative frequency (Nonfiltered)	Relative frequency (Filtered)
4 - 9	0%	1/25 = 4%
10 - 15	0%	1/25 = 4%
16 - 21	1/25 = 4%	7/25 = 28%
22 - 27	1/25 = 4%	16/25 = 64%
28 - 33	13/25 = 52%	0%
34 - 39	7/25 = 28%	0%
40- 45	3/25 = 12%	0%