document.write( "Question 1197609: The following table shows the average life expectancy, in years, of a child born in the
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\n" ); document.write( "Year Life Expectancy
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\n" ); document.write( "2007 78.1
\n" ); document.write( "2009 78.5
\n" ); document.write( "2011 78.7
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\n" ); document.write( "a. Find the equation of the regression line, and explain the meaning of its slope.
\n" ); document.write( "b. Plot the data points and the regression line.
\n" ); document.write( "c. Explain in practical terms the meaning of the slope of the regression line.
\n" ); document.write( "d. Based on the trend of the regression lines, what do you predict as the life
\n" ); document.write( "expectancy of a child born in 2019?
\n" ); document.write( "e. Based on the trend of the regression line, what do you predict as the life
\n" ); document.write( "expectancy of a child born in 1580? 2300?
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Algebra.Com's Answer #830994 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Hi  \r\n" );
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document.write( "c. Explain in practical terms the meaning of the slope of the regression line.\r\n" );
document.write( "  life expectancy increasing \r\n" );
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document.write( "d. Based on the trend of the regression lines, what do you predict as the life\r\n" );
document.write( "expectancy of a child born in 2019? y = .15x +223.01 = 79.8 rounded\r\n" );
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document.write( "e. Based on the trend of the regression line, what do you predict as the life\r\n" );
document.write( "expectancy of a child born in 1580? 2300?\r\n" );
document.write( " Plug and Play: y = .15(1580) +223.01  & .15(2300)-223.01\r\n" );
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document.write( "  Generally the trend line equation is not used as a predictor\r\n" );
document.write( "with values so beyond the scope of the Data.\r\n" );
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document.write( "Wish You the Best in your Studies.\r\n" );
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