The Federal Election Commission maintains data showing the voting age population

Question

The Federal Election Commission maintains data showing the voting age population, the number of registered voters, and the turnout for special electons. The following table shows the voter turnout as a percentage of the voting age population in presidential elections from 1964-2000:

Year        % Vote             Year          % Vote             Year            % Vote

1964       61.92                1980        52.56                  1996          49.08

1968       60.84                1984        53.11                  2000          51.30

1972       55.21                1988        50.11

1976      53.55                 1992        55.09

4: Use your equation to forecast the percent of voters in 2004. Round to nearest whole number.

Include units in your answer.

Explanation / Answer

The general linear trend equation is   Y = b0 + b1 X

where b0 = intercept

and X = slope

Y = 60.55 - 1.14 X

Forecast for the percent of voters in 2004 = 60.55 - 1.14 * 11

Forecast for the percent of voters in 2004 = 48 %

Year % Vote 1 61.92 2 60.84 3 55.21 4 53.55 5 52.56 6 53.11 7 50.11 8 55.09 9 49.08 10 51.3

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