document.write( "Question 824577: The American Sugar Producers Association wants to estimate the mean yearly sugar consumption. A sample of 18 people reveals the mean yearly consumption to be 60 pounds with a standard deviation of 20 pounds. Develop the 90 percent confidence interval for population mean. \n" ); document.write( "
Algebra.Com's Answer #496687 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The American Sugar Producers Association wants to estimate the mean yearly sugar consumption. A sample of 18 people reveals the mean yearly consumption to be 60 pounds with a standard deviation of 20 pounds. Develop the 90 percent confidence interval for population mean. \n" ); document.write( "------- \n" ); document.write( "Sample Mean = 60 lbs \n" ); document.write( "--------- \n" ); document.write( "Margin of Error = 1.645 = 7.75 \n" ); document.write( "------------ \n" ); document.write( "90% CI: 60-7.75 < u < 60+7.75 \n" ); document.write( "================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |