EE 70% Mon 1:03 AM IE Chrome File Ed View History Bookmarks People Window Help D
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EE 70% Mon 1:03 AM IE Chrome File Ed View History Bookmarks People Window Help Do Homework Abdul ahman Alhudaib https www.mathxl.com STAT 2110 A-Online Summer 2017 Abdulrahman Alhudaib & I 5/8/17 1:03 AM Homework: Chapter 2.2 Save Score 0.93 of 1 p 6 of 15 (13 complete) Y HW Score: 72.89%, 10.93 of 15 pts 2.2.15 EQuestion 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. Complete the relative frequency table below. Relative Relative Frequency Distributions Frequency Frequency Tar (mg) Non filtered Filtered 0% 2% 15 0 8 Tar (mg) in Tar (mg) in 16-20 8 28 Filtered Non filtered 21-25 4 52% Cigarettes Frequency Cigarettes Frequency 6-20 26-30 60 0 25 31 35 24 0 26-30 16-20 36-40 4 0% (Simplify your answers.) 36-40 Do cigarette filters appear to be effective? Print Done A. Yes, because the relative frequency of the higher tar classes is greater for nonfiltered cigarettes. KB. No, because the relative frequencies for each are not substantially different. O C. No, because the relative frequency of the higher tar classes is greater for filtered cigarettes. O D. This cannot be determined Question is complete. Tap on the red indicators to see incorrect answers. All parts showing Similar QuestionExplanation / Answer
Q. 2.2.15
total tar content in non- filtered cigarette = 28.6%
Total tar content in filtered cigarette = 19.00%
Q>2.2.27
We have calculated The minimum and maximum value of the screw length
and decided to have 5 interval with 0.010 cm length difference
Tar (mg) Class Mid point Relative Frequency (Unfiltered) Total (nf) Relative Frequency (Filtered) nf 6-10 8 0 0 12 96 11-15 13 0 0 8 104 16-20 18 8 144 28 504 21-25 23 4 92 52 1196 26-30 28 60 1680 0 0 31-35 33 24 792 0 0 36-40 38 4 152 0 0 sum 100 2860 100 1900 Average 28.6 19Related Questions
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