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Math Project
Name: Math Manisa
No.: 10740

Project 2

Regression Line
The following table shows (for the years 1965 to 2000 and for people 18 and over) the total percentage of cigarette smokers, the percentage of males who are smokers, and the percentage of females who are smokers.

Percentage of Smokers

_________________________________________________________________________________________________

Year Total Population All Males All Females
_________________________________________________________________________________________________

1965 42.4 51.9 33.9

1974 37.1 43.1 32.1

1979 33.5 37.5 29.9

1983 32.1 35.1 29.5

1985 30.1 32.6 27.9

1987 28.8 31.2 26.5

1990 25.5 28.4 22.8

1992 26.5 28.6 24.6

1993 25.0
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