(Answered) The declining farm populationthe number of people living on

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The declining farm population

The number of people living on American farms declined steadily during the past century. Here are data on the farm population (millions of persons) from 1935 to 2000:

Year

1935

1940

1945

1950

1955

1960

1965

1970

1975

1980

1990

2000

Population

32.1

30.5

24.4

23.0

19.1

15.6

12.4

9.7

8.9

7.2

3.9

3.0

(a) Make a scatterplot of these data. Draw by eye a regression line for predicting a year's farm population.

(b) Extend your line to predict the number of people living on farms in 2020. Is this result reasonable? Why?

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