document.write( "Question 1093749: Which of the following is false?\r
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\n" ); document.write( "a child’s age and a child’s shoe size is a positive correlation
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\n" ); document.write( "the cost to mail an envelope and the weight of the envelope is a positive correlation
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\n" ); document.write( "none, since all of the other answer choices are true
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\n" ); document.write( "the graduation rate in a city and the rate of unemployment in a city is a positive correlation\r
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Algebra.Com's Answer #708367 by Edwin McCravy(20062)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "You just need to know the difference between a positive and a \r\n" );
document.write( "negative correlation between two variables.\r\n" );
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document.write( "If both variables increase or decrease together, there is a \r\n" );
document.write( "positive correlation.\r\n" );
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document.write( "If one variable increases while the other decreases, there is \r\n" );
document.write( "a negative correlation.\r\n" );
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\n" ); document.write( "a child’s age and a child’s shoe size is a positive correlation
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document.write( "The bigger the child the bigger his foot and therefore his shoe size,\r\n" );
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document.write( "Both variables increase together, so that is a positive correlation.\r\n" );
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\n" ); document.write( "the cost to mail an envelope and the weight of the envelope is a
\n" ); document.write( "positive correlation
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document.write( "The heavier the package, the costlier it is to mail it.\r\n" );
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document.write( "Both variables increase together, so that is a positive correlation. \r\n" );
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\n" ); document.write( "none, since all of the other answer choices are true
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document.write( "We must check out the last one to see whether this one is true or \r\n" );
document.write( "false.\r\n" );
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\n" ); document.write( "the graduation rate in a city and the rate of unemployment in a city
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document.write( "Certainly this is not a positive correlation, for when more people graduate,\r\n" );
document.write( "unemployment certainly doesn't rise.  Employment may rise but certainly not\r\n" );
document.write( "unemployment.  So that one is false.\r\n" );
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document.write( "Edwin
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