Question 2 Percentages of people who smoke have been recorded for many years. The data set called Smokers (attached below) shows the percentage of people in the US who smoked in a selection of years between 1965 and 2017.

Year	Smokers
1965	41.9
1970	37.4
1974	37.1
1978	34.1
1980	33.2
1983	32.1
1985	30.1
1987	28.8
1990	25.5
1993	25
1995	24.7
1997	24.7
1999	23.5
2001	22.8
2002	22.5
2004	20.9
2006	20.8
2008	20.6
2010	19.3
2012	18.1
2014	16.8
2017	14

(.5 point) Please find the correlation between the percentage of people who smoke and the year.(can use online math app like minitab)

(1.5 points) Please interpret the number in (a)

(1 point) obtain the least squares regression line for using the year to estimate the percentage of people in the US who smoke. Please write down the equation below. If you use x and y, you must describe what you mean by x and y.

(1 point) Please use the line in (c) to estimate the percentage of smokers in the US in the year 2016. Please show your work.

(1 point) Please interpret the slope of the line in (c).