The number of adult Americans who smoke continues to drop. The table contains estimates of the percentages of adults (ages 1818 and over) who were smokers in the years between 1965 and 201715.and 201715.???? ?Year �??????? ?Smokers �196541.94197037.4197437.1197834.1198033.2198332.1198530.1198728.8199025.5199325.0199524.7199724.7199923.5200122.8200222.5200420.9200620.8200820.6201019.3201218.1201416.8201714.0 According to your regression line, how much did smoking decline per year during this period, on the average? Give your answer to three decimal places.average smoking decline: percentage points

Given The data is as follows: Year Smokers 1965 41.94 1970 37.4 1974 37.1 1978 34.1…

Answered: The number of adult Americans who smoke…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

The number of adult Americans who smoke continues to drop. The table contains estimates of the percentages of adults (ages 1818 and over) who were smokers in the years between 1965 and 201715.and 201715.

???? ?Year �	??????? ?Smokers �
1965	41.94
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	25.0
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	14.0

According to your regression line, how much did smoking decline per year during this period, on the average? Give your answer to three decimal places.

average smoking decline:

percentage points

Expert Solution

Step 1

Given

The data is as follows:

Year	Smokers
1965	41.94
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