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.) Tar (mg) in Nonfiltered Cigarettes Frequency Tar (mg) in Filtered Cigarettes Frequency 19−24 1 7−12 3 25−30 0 13−18 3 31−36 15 19−24 6 37−42 7 25−30 13 43−48 2 Click the icon to view the frequency distributions. Complete the relative frequency table below. Tar (mg) Relative Frequency (Nonfiltered) Relative Frequency (Filtered) 7−12 nothing% nothing% 13−18 nothing% nothing% 19−24 nothing% nothing% 25−30 nothing% nothing% 31−36 nothing% nothing% 37−42 nothing% nothing% 43−48 nothing% nothing% (Simplify your answers.) Do cigarette filters appear to be effective? A. No, because the relative frequencies for each are not substantially different. B. No, because the relative frequency of the higher tar classes is greater for filtered cigarettes. C. Yes, because the relative frequency of the higher tar classes is greater for nonfiltered cigarettes. D. This cannot be determined.

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter38: Achievement Review—section Three

Section: Chapter Questions

Problem 6AR

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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.)

Tar (mg) in Nonfiltered Cigarettes	Frequency		Tar (mg) in Filtered Cigarettes	Frequency
19−24	1	7−12	3
25−30	0	13−18	3
31−36	15	19−24	6
37−42	7	25−30	13
43−48	2

Click the icon to view the frequency distributions.

Complete the relative frequency table below.

Tar (mg)	Relative Frequency (Nonfiltered)	Relative Frequency (Filtered)
7−12	nothing%	nothing%
13−18	nothing%	nothing%
19−24	nothing%	nothing%
25−30	nothing%	nothing%
31−36	nothing%	nothing%
37−42	nothing%	nothing%
43−48	nothing%	nothing%

(Simplify your answers.)

Do cigarette filters appear to be effective?

No, because the relative frequencies for each are not substantially different.

No, because the relative frequency of the higher tar classes is greater for filtered cigarettes.

Yes, because the relative frequency of the higher tar classes is greater for nonfiltered cigarettes.

This cannot be determined.

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