Cigarette Tar and Nicotine The table below lists measured amounts (mg) of tar, carbon monoxide (CO), and nicotine in king size cigarettes of different brands (from Data Set 13 “Cigarette Contents” in...


Cigarette Tar and Nicotine The table below lists measured amounts (mg) of tar, carbon monoxide (CO), and nicotine in king size cigarettes of different brands (from Data Set 13 “Cigarette Contents” in Appendix B).


a. Is there is sufficient evidence to support a claim of a linear correlation between tar and nicotine?


b. What percentage of the variation in nicotine can be explained by the linear correlation between nicotine and tar?


c. Letting y represent the amount of nicotine and letting x represent the amount of tar, identify the regression equation.


d. The Raleigh brand king size cigarette is not included in the table, and it has 23 mg of tar. What is the best predicted amount of nicotine? How does the predicted amount compare to the actual amount of 1.3 mg of nicotine?


Tar<br>27<br>20<br>24<br>20<br>20<br>21<br>24<br>25<br>18<br>16<br>16<br>16<br>16<br>16<br>14<br>17<br>CO<br>Nicotine<br>1.5<br>1.7<br>1.1<br>1.6<br>1.0<br>1.2<br>1.4<br>1.1<br>7,<br>

Extracted text: Tar 27 20 24 20 20 21 24 25 18 16 16 16 16 16 14 17 CO Nicotine 1.5 1.7 1.1 1.6 1.0 1.2 1.4 1.1 7,

Jun 01, 2022
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